Jeffrey A. Hoffman
Encyclopedia
Jeffrey Alan Hoffman, Ph.D.
Doctor of Philosophy
Doctor of Philosophy, abbreviated as Ph.D., PhD, D.Phil., or DPhil , in English-speaking countries, is a postgraduate academic degree awarded by universities...

 (born November 2, 1944) is an American former NASA
NASA
The National Aeronautics and Space Administration is the agency of the United States government that is responsible for the nation's civilian space program and for aeronautics and aerospace research...

 astronaut
Astronaut
An astronaut or cosmonaut is a person trained by a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft....

 and currently a professor of aeronautics and astronautics at MIT.

Hoffman made five flights as a space shuttle astronaut, including the first mission to repair the Hubble Space Telescope
Hubble Space Telescope
The Hubble Space Telescope is a space telescope that was carried into orbit by a Space Shuttle in 1990 and remains in operation. A 2.4 meter aperture telescope in low Earth orbit, Hubble's four main instruments observe in the near ultraviolet, visible, and near infrared...

 in 1993, when the orbiting telescope's flawed optical system was corrected. Trained as an astrophysicist, he also flew on 1990 Spacelab shuttle mission that featured the ASTRO-1 ultraviolet astronomical observatory in the shuttle's payload bay. Over the course of his five missions he logged more than 1,211 hours and 21.5 million miles in space.

Background

Hoffman was born to a Jewish family on November 2, 1944, in Brooklyn, New York, but considers Scarsdale, New York
Scarsdale, New York
Scarsdale is a coterminous town and village in Westchester County, New York, United States, in the northern suburbs of New York City. The Town of Scarsdale is coextensive with the Village of Scarsdale, but the community has opted to operate solely with a village government, one of several villages...

, to be his hometown. He graduated from Scarsdale High School
Scarsdale High School
Scarsdale High School is a public high school in Scarsdale, New York, a coterminous town and village in Westchester County, New York. The school was founded in 1917...

, Scarsdale, New York
Scarsdale, New York
Scarsdale is a coterminous town and village in Westchester County, New York, United States, in the northern suburbs of New York City. The Town of Scarsdale is coextensive with the Village of Scarsdale, but the community has opted to operate solely with a village government, one of several villages...

, in 1962, then received a Bachelor of Arts
Bachelor of Arts
A Bachelor of Arts , from the Latin artium baccalaureus, is a bachelor's degree awarded for an undergraduate course or program in either the liberal arts, the sciences, or both...

 degree in astronomy
Astronomy
Astronomy is a natural science that deals with the study of celestial objects and phenomena that originate outside the atmosphere of Earth...

 (graduated summa cum laude) from Amherst College
Amherst College
Amherst College is a private liberal arts college located in Amherst, Massachusetts, United States. Amherst is an exclusively undergraduate four-year institution and enrolled 1,744 students in the fall of 2009...

 in 1966, a Doctor of Philosophy
Doctor of Philosophy
Doctor of Philosophy, abbreviated as Ph.D., PhD, D.Phil., or DPhil , in English-speaking countries, is a postgraduate academic degree awarded by universities...

 in astrophysics
Astrophysics
Astrophysics is the branch of astronomy that deals with the physics of the universe, including the physical properties of celestial objects, as well as their interactions and behavior...

 from Harvard University
Harvard University
Harvard University is a private Ivy League university located in Cambridge, Massachusetts, United States, established in 1636 by the Massachusetts legislature. Harvard is the oldest institution of higher learning in the United States and the first corporation chartered in the country...

 in 1971, and a Masters Degree in materials science
Materials science
Materials science is an interdisciplinary field applying the properties of matter to various areas of science and engineering. This scientific field investigates the relationship between the structure of materials at atomic or molecular scales and their macroscopic properties. It incorporates...

 from Rice University
Rice University
William Marsh Rice University, commonly referred to as Rice University or Rice, is a private research university located on a heavily wooded campus in Houston, Texas, United States...

 in 1988.http://www.jsc.nasa.gov/Bios/htmlbios/hoffman.html Hoffman is an Eagle Scout
Eagle Scout (Boy Scouts of America)
Eagle Scout is the highest rank attainable in the Boy Scouting program of the Boy Scouts of America . A Scout who attains this rank is called an Eagle Scout or Eagle. Since its introduction in 1911, the Eagle Scout rank has been earned by more than 2 million young men...

.

Hoffman is a member of the International Academy of Astronautics
International Academy of Astronautics
The International Academy of Astronautics is an international community of experts committed to expanding the frontiers of space. It is a non-governmental organisation established in Stockholm on August 16, 1960....

, the International Astronomical Union
International Astronomical Union
The International Astronomical Union IAU is a collection of professional astronomers, at the Ph.D. level and beyond, active in professional research and education in astronomy...

, the American Institute of Aeronautics and Astronautics
American Institute of Aeronautics and Astronautics
The American Institute of Aeronautics and Astronautics is the professional society for the field of aerospace engineering. The AIAA was founded in 1963 from the merger of two earlier societies: the American Rocket Society , founded in 1930 as the American Interplanetary Society , and the Institute...

, the American Astronomical Society
American Astronomical Society
The American Astronomical Society is an American society of professional astronomers and other interested individuals, headquartered in Washington, DC...

, the Spanish Academy of Engineering, Phi Beta Kappa, and Sigma Xi
Sigma Xi
Sigma Xi: The Scientific Research Society is a non-profit honor society which was founded in 1886 at Cornell University by a junior faculty member and a handful of graduate students. Members elect others on the basis of their research achievements or potential...

.

he is currently co-director of the Massachusetts Space Grant Consortium and a Professor of the Practice in the Department of Aeronautics and Astronautics at MIT
Massachusetts Institute of Technology
The Massachusetts Institute of Technology is a private research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing a total of 32 academic departments, with a strong emphasis on scientific and technological education and research.Founded in 1861 in...

.

Academic experience

Hoffman's original research interests were in high-energy astrophysics, specifically cosmic
COSMIC
Constellation Observing System for Meteorology, Ionosphere, and Climate is a program designed to provide advances in meteorology, ionospheric research, climatology, and space weather by using GPS satellites in conjunction with low Earth orbiting satellites...

 gamma ray
Gamma ray
Gamma radiation, also known as gamma rays or hyphenated as gamma-rays and denoted as γ, is electromagnetic radiation of high frequency . Gamma rays are usually naturally produced on Earth by decay of high energy states in atomic nuclei...

 and x-ray
X-ray
X-radiation is a form of electromagnetic radiation. X-rays have a wavelength in the range of 0.01 to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz and energies in the range 120 eV to 120 keV. They are shorter in wavelength than UV rays and longer than gamma...

 astronomy. His doctoral work at Harvard was the design, construction, testing, and flight of a balloon
Balloon (aircraft)
A balloon is a type of aircraft that remains aloft due to its buoyancy. A balloon travels by moving with the wind. It is distinct from an airship, which is a buoyant aircraft that can be propelled through the air in a controlled manner....

-borne, low-energy, gamma ray telescope
Telescope
A telescope is an instrument that aids in the observation of remote objects by collecting electromagnetic radiation . The first known practical telescopes were invented in the Netherlands at the beginning of the 1600s , using glass lenses...

.

From 1972 to 1975, during post-doctoral work at the University of Leicester
University of Leicester
The University of Leicester is a research-led university based in Leicester, England. The main campus is a mile south of the city centre, adjacent to Victoria Park and Wyggeston and Queen Elizabeth I College....

 in the UK
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, he worked on several x-ray astronomy rocket
Rocket
A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engine. In all rockets, the exhaust is formed entirely from propellants carried within the rocket before use. Rocket engines work by action and reaction...

 payloads. He also designed and supervised the construction and testing of the test equipment for use in an x-ray beam facility which he used to measure the scattering and reflectivity properties of x-ray concentrating mirror
Mirror
A mirror is an object that reflects light or sound in a way that preserves much of its original quality prior to its contact with the mirror. Some mirrors also filter out some wavelengths, while preserving other wavelengths in the reflection...

s. During his last year at Leicester, he was project scientist for the medium-energy x-ray experiment on the European Space Agency
European Space Agency
The European Space Agency , established in 1975, is an intergovernmental organisation dedicated to the exploration of space, currently with 18 member states...

's EXOSAT
EXOSAT
The European X-ray Observatory Satellite , originally named HELOS, was operational from May 1983 until April 1986 and in that time made 1780 observations in the X-ray band of most classes of astronomical object including active galactic nuclei, stellar coronae, cataclysmic variables, white dwarfs,...

 satellite
Satellite
In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavour. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon....

 and played a leading role in the proposal and design studies for this project.

He worked in the Center for Space Research at the Massachusetts Institute of Technology
Massachusetts Institute of Technology
The Massachusetts Institute of Technology is a private research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing a total of 32 academic departments, with a strong emphasis on scientific and technological education and research.Founded in 1861 in...

 (MIT) from 1975 to 1978 as project scientist in charge of the orbiting HEAO-1 A4 hard x-ray and gamma ray experiment, launched in August 1977.
His involvement included pre-launch design of the data analysis system, supervising its operation post-launch, and directing the MIT team undertaking the scientific analysis of flight data being returned. He was also involved extensively in analysis of x-ray data from the SAS-3 satellite being operated by MIT. His principal research was the study of x-ray bursts, about which he authored or co-authored more than 20 papers.

He joined the MIT Aeronautics and Astronautics faculty in 2001 as a senior lecturer, and since 2002 has been a Professor of the Practice in that department. His research specialties include human space flight operations, space flight technology, human-machine interactions, extravehicular activity, and conducting laboratory research in space. His teaching interests include space systems design and space policy.

Dr. Hoffman instructed a course in systems engineering on the space shuttle that is available for free in video format from academic earth.

NASA experience

Selected by NASA in January 1978, Hoffman became an astronaut in August 1979. During preparations for the Shuttle Orbital Flight Tests, he worked in the Flight Simulation Laboratory at Downey, California
Downey, California
Downey is a city located in southeast Los Angeles County, California, United States, southeast of downtown Los Angeles. The city is best known as the birthplace of the Apollo space program, and is the city where folk singer Karen Carpenter lived and died...

, testing guidance
Guidance
Guidance may refer to:*Guidance *Guidance system*Guidance Solutions, an eCommerce development company*"Guidance", an episode of Death Note...

, navigation
Navigation
Navigation is the process of monitoring and controlling the movement of a craft or vehicle from one place to another. It is also the term of art used for the specialized knowledge used by navigators to perform navigation tasks...

 and flight control systems. He worked with the orbital maneuvering and reaction control systems, with Shuttle navigation, with crew training, and with the development of satellite deployment procedures. Dr. Hoffman served as a support crewmember for STS-5
STS-5
STS-5 was a NASA Space Shuttle mission, the fifth shuttle mission overall and the fifth flight of the Space Shuttle Columbia. It was the first shuttle mission to deploy communications satellites into orbit...

 and as a CAPCOM (spacecraft communicator) for the STS-8
STS-8
STS-8 was a NASA Space Shuttle mission which launched on 30 August 1983 and landed on 5 September; it conducted the first night launch and night landing of the program, and flew the first African-American astronaut, Guion Bluford...

 and STS-82
STS-82
STS-82 was a Hubble Space Telescope servicing mission by Space Shuttle Discovery. The mission launched from Kennedy Space Center, Florida, on 11 February 1997 and returned to earth on 21 February 1997 at Kennedy Space Center.-Crew:...

 missions. Hoffman has been the Astronaut Office Payload Safety Representative. He also worked on EVA, including the development of a high-pressure spacesuit, and preparations for the assembly of the Space Station
Space station
A space station is a spacecraft capable of supporting a crew which is designed to remain in space for an extended period of time, and to which other spacecraft can dock. A space station is distinguished from other spacecraft used for human spaceflight by its lack of major propulsion or landing...

. Dr. Hoffman was a co-founder of the Astronaut Office Science Support Group. In 1996 he led the Payload and Habitability Branch of the Astronaut Office.

Hoffman left the astronaut program in July 1997 to become NASA's Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

an Representative in Paris
Paris
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

, where he served until August 2001. His principle duties were to keep NASA and NASA’s European partners informed about each other’s activities, try to resolve problems in US-European cooperative space projects, search for new areas of US-European space cooperation, and represent NASA in European media. In August 2001, Dr. Hoffman was seconded by NASA to the Massachusetts Institute of Technology, where he is a Professor in the Department of Aeronautics
Aeronautics
Aeronautics is the science involved with the study, design, and manufacturing of airflight-capable machines, or the techniques of operating aircraft and rocketry within the atmosphere...

 and Astronautics
Astronautics
Astronautics, and related astronautical engineering, is the theory and practice of navigation beyond the Earth's atmosphere. In other words, it is the science and technology of space flight....

. He is engaged in several research projects using the International Space Station
International Space Station
The International Space Station is a habitable, artificial satellite in low Earth orbit. The ISS follows the Salyut, Almaz, Cosmos, Skylab, and Mir space stations, as the 11th space station launched, not including the Genesis I and II prototypes...

 and teaches courses on space operations and design.

Space flight experience

  • STS 51-D  (April 12 - April 19, 1985)
  • STS-35
    STS-35
    -Crew notes:Prior to the Challenger disaster, this mission was slated to launch in March 1986 as STS-61-E. Jon McBride was originally assigned to command this mission, which would have been his second spaceflight. He chose to retire from NASA in May 1989 and was replaced as mission commander by...

      (December 2 - December 10, 1990)
  • STS-46
    STS-46
    STS-46 was a NASA space shuttle mission using orbiter Atlantis and launched on 31 July 1992 at 9:56:48 am EDT.-Crew:-Mission parameters:*Mass:**Orbiter landing with payload: **Payload: *Perigee: *Apogee:...

      (July 31 - August 8, 1992)
  • STS-61
    STS-61
    STS-61 was the first Hubble Space Telescope servicing mission, and the fifth flight of the Space Shuttle Endeavour. The mission launched on 2 December 1993 from Kennedy Space Center in Florida. The mission restored the spaceborne observatory's vision, marred by spherical aberration, with the...

      (December 2 - December 13, 1993)
  • STS-75
    STS-75
    STS-75 was a United States Space Shuttle mission, the 19th mission of the Columbia orbiter.-Crew:-Mission parameters:*Mass: payload*Perigee: *Apogee: *Inclination: 28.5°*Period: 90.5 min-Mission objective:...

      (February 22 - March 9, 1996)


Hoffman made his first space flight as a mission specialist on STS 51-D, April 12-19, 1985, on the Space Shuttle Discovery
Space Shuttle Discovery
Space Shuttle Discovery is one of the retired orbiters of the Space Shuttle program of NASA, the space agency of the United States, and was operational from its maiden flight, STS-41-D on August 30, 1984, until its final landing during STS-133 on March 9, 2011...

. On this mission, he made the first STS contingency spacewalk, in an attempted rescue of a malfunctioning satellite.

Hoffman made his second space flight as a mission specialist on STS-35
STS-35
-Crew notes:Prior to the Challenger disaster, this mission was slated to launch in March 1986 as STS-61-E. Jon McBride was originally assigned to command this mission, which would have been his second spaceflight. He chose to retire from NASA in May 1989 and was replaced as mission commander by...

, December 2-10, 1990, on the Space Shuttle Columbia
Space Shuttle Columbia
Space Shuttle Columbia was the first spaceworthy Space Shuttle in NASA's orbital fleet. First launched on the STS-1 mission, the first of the Space Shuttle program, it completed 27 missions before being destroyed during re-entry on February 1, 2003 near the end of its 28th, STS-107. All seven crew...

. This Spacelab mission featured the ASTRO-1 ultraviolet
Ultraviolet
Ultraviolet light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nm to 400 nm, and energies from 3 eV to 124 eV...

 astronomy laboratory, a project on which Dr. Hoffman had worked since 1982.

Hoffman made his third space flight as payload commander and mission specialist on STS-46
STS-46
STS-46 was a NASA space shuttle mission using orbiter Atlantis and launched on 31 July 1992 at 9:56:48 am EDT.-Crew:-Mission parameters:*Mass:**Orbiter landing with payload: **Payload: *Perigee: *Apogee:...

, July 31-August 8, 1992, on the Space Shuttle Atlantis
Space Shuttle Atlantis
The Space Shuttle Atlantis is a retired Space Shuttle orbiter in the Space Shuttle fleet belonging to the National Aeronautics and Space Administration , the spaceflight and space exploration agency of the United States...

. On this mission, the crew deployed the European Retrievable Carrier (EURECA), an ESA-sponsored free-flying science platform, and carried out the first test flight of the Tethered Satellite System (TSS), a joint project between NASA and the Italian Space Agency
Italian Space Agency
The Italian Space Agency is a government agency established in 1988 to fund, regulate and coordinate space exploration activities in Italy...

. Hoffman had worked on the Tethered Satellite project since 1987.

Hoffman made his fourth flight as an EVA crewmember on STS-61
STS-61
STS-61 was the first Hubble Space Telescope servicing mission, and the fifth flight of the Space Shuttle Endeavour. The mission launched on 2 December 1993 from Kennedy Space Center in Florida. The mission restored the spaceborne observatory's vision, marred by spherical aberration, with the...

, December 2-13, 1993, on the Space Shuttle Endeavour
Space Shuttle Endeavour
Space Shuttle Endeavour is one of the retired orbiters of the Space Shuttle program of NASA, the space agency of the United States. Endeavour was the fifth and final spaceworthy NASA space shuttle to be built, constructed as a replacement for Challenger...

. During this flight, the Hubble Space Telescope
Hubble Space Telescope
The Hubble Space Telescope is a space telescope that was carried into orbit by a Space Shuttle in 1990 and remains in operation. A 2.4 meter aperture telescope in low Earth orbit, Hubble's four main instruments observe in the near ultraviolet, visible, and near infrared...

 (HST) was captured, serviced, and restored to full capacity through a record five space walks by four astronauts, including Hoffman. Dr. Hoffman also spun a dreidel for the holiday of Chanukah to a live audience watching via satellite watching what's known as Chanukah Live. (Video Courtesy of Chabad of the Space Coast)

Hoffman last flew on STS-75
STS-75
STS-75 was a United States Space Shuttle mission, the 19th mission of the Columbia orbiter.-Crew:-Mission parameters:*Mass: payload*Perigee: *Apogee: *Inclination: 28.5°*Period: 90.5 min-Mission objective:...

 (February 22 - March 9, 1996) on the Space Shuttle Columbia
Space Shuttle Columbia
Space Shuttle Columbia was the first spaceworthy Space Shuttle in NASA's orbital fleet. First launched on the STS-1 mission, the first of the Space Shuttle program, it completed 27 missions before being destroyed during re-entry on February 1, 2003 near the end of its 28th, STS-107. All seven crew...

. This was a 16-day mission whose principal payloads were the reflight of the Tethered Satellite System (TSS) and the third flight of the United States Microgravity Payload (USMP-3). The TSS successfully demonstrated the ability of tethers to produce electricity
Electricity
Electricity is a general term encompassing a variety of phenomena resulting from the presence and flow of electric charge. These include many easily recognizable phenomena, such as lightning, static electricity, and the flow of electrical current in an electrical wire...

. The TSS experiment produced a wealth of new information on the electrodynamics of tethers and plasma physics before the tether broke at 19.7 km, just shy of the 20.7 km goal. The crew also worked around the clock performing combustion
Combustion
Combustion or burning is the sequence of exothermic chemical reactions between a fuel and an oxidant accompanied by the production of heat and conversion of chemical species. The release of heat can result in the production of light in the form of either glowing or a flame...

 experiments and research related to USMP-3 microgravity investigations. During this mission, Dr. Hoffman became the first astronaut to log 1000 hours aboard the Space Shuttle.

With the completion of his fifth space flight, Dr. Hoffman has logged more than 1,211 hours and 21.5 million miles in space. He was also the first Jewish man in space.

Since 2002, he has been a Professor of the Practice in the Department of Aeronautics and Astronautics at the Massachusetts Institute of Technology
Massachusetts Institute of Technology
The Massachusetts Institute of Technology is a private research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing a total of 32 academic departments, with a strong emphasis on scientific and technological education and research.Founded in 1861 in...

.

Since 2008 he has also been a visiting Professor at the Department of Physics and Astronomy at the University of Leicester.

He is the author of a book titled An Astronaut's Diary ISBN 978-0936897004 (June 1986) which is accompanied by a cassette tape. The audio tape contains excerpts of the original recordings he made with a pocket tape recorder.

Awards and honors

  • Amherst College 1963 Porter Prize in Astronomy
  • 1964 Second Walker Prize in Mathematics
  • 1965 John Summer Runnells Scholarship Prize
  • 1966 Stanley V. and Charles B. Travis Prize
  • Woods Prize for Scholarship
  • Elected to Phi Beta Kappa in 1965 and Sigma Xi in 1966
  • Woodrow Wilson Foundation Pre-Doctoral Fellowship, 1966-67
  • National Science Foundation Pre-Doctoral Fellowship, 1966-71
  • National Academy of Sciences Post-Doctoral Visiting Fellowship, 1971-72
  • Harvard University Sheldon International Fellowship, 1972-73
  • NATO Post-Doctoral Fellowship, 1973-74
  • NASA Space Flight Medals (5)
  • NASA Exceptional Service Medals (2)
  • NASA Distinguished Service Medals (2)
  • V. M. Komarov and the Sergei P. Korolev Diplomas by the International Aeronautical Federation in 1991 and 1994


As part of the Hubble of Fame in 2007

External links

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