Konrad Dannenberg
Encyclopedia
Konrad Dannenberg was a German-American 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...

 pioneer and member of the German rocket team brought to the United States after World War II.

Early years

Dannenberg was born in Weißenfels
Weißenfels
Weißenfels is the largest town of the Burgenlandkreis district, in southern Saxony-Anhalt, Germany. It is situated on the river Saale, approximately south of Halle.-History:...

, Saxony-Anhalt
Saxony-Anhalt
Saxony-Anhalt is a landlocked state of Germany. Its capital is Magdeburg and it is surrounded by the German states of Lower Saxony, Brandenburg, Saxony, and Thuringia.Saxony-Anhalt covers an area of...

. At the age of two, he and his family moved to Hanover
Hanover
Hanover or Hannover, on the river Leine, is the capital of the federal state of Lower Saxony , Germany and was once by personal union the family seat of the Hanoverian Kings of Great Britain, under their title as the dukes of Brunswick-Lüneburg...

, where he spent his youth. He became interested in space technology while attending a lecture by Max Valier
Max Valier
Max Valier was an Austrian rocketry pioneer. He helped found the German Verein für Raumschiffahrt that would bring together many of the minds that would later make spaceflight a reality in the 20th century.-Biography:Valier was born in Bozen , South Tyrol and in 1913 enrolled to study Physics at...

, a German pioneer in that field. He witnessed two tests with a rocket-driven railroad car in Burgwedel
Burgwedel
Burgwedel is a town in the district of Hanover, in Lower Saxony, Germany. It is situated approx. 15 km northeast of Hanover.-Politics and Administration:Burgwedel consists of the following boroughs:* Engensen* Fuhrberg...

 near Hanover and then joined Albert Püllenberg's group of amateur rocketeers. Dannenberg studied mechanical engineering
Mechanical engineering
Mechanical engineering is a discipline of engineering that applies the principles of physics and materials science for analysis, design, manufacturing, and maintenance of mechanical systems. It is the branch of engineering that involves the production and usage of heat and mechanical power for the...

 at the University of Hanover with emphasis in diesel fuel injection, because he recognized that injectors would also be part of the process of moving propellants into a high-pressure rocket engine.

When World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 began, Dannenberg, a member of the Nazi party since 1932, was drafted into the German army in 1939, serving first with a horse-artillery unit acquired by the German Army in Czechoslovakia
Czechoslovakia
Czechoslovakia or Czecho-Slovakia was a sovereign state in Central Europe which existed from October 1918, when it declared its independence from the Austro-Hungarian Empire, until 1992...

. He took part in the initial stages of the Battle of France
Battle of France
In the Second World War, the Battle of France was the German invasion of France and the Low Countries, beginning on 10 May 1940, which ended the Phoney War. The battle consisted of two main operations. In the first, Fall Gelb , German armoured units pushed through the Ardennes, to cut off and...

.

Career

In Spring 1940, through the influence of Püllenberg, Dannenberg was discharged from the army and became a civilian employee at the German Army's Research and Development Center in Peenemünde
Peenemünde
The Peenemünde Army Research Center was founded in 1937 as one of five military proving grounds under the Army Weapons Office ....

. Under Walter Thiel
Walter Thiel
Dr Walter Thiel was a German rocket scientist.He was the third civilian hired by Walter Dornberger for German research at Kummersdorf on November 1, 1932, , and in 1936, transferred to Dornberger's new rocket section...

's guidance, he became a rocket propulsion specialist. His main assignment was developing a rocket engine for the V-2 ballistic missile. He was at Peenemünde on 3 October 1942 to witness the launch of the first V-2 rocket (which means that he saw the first manmade object to reach outer space
Outer space
Outer space is the void that exists between celestial bodies, including the Earth. It is not completely empty, but consists of a hard vacuum containing a low density of particles: predominantly a plasma of hydrogen and helium, as well as electromagnetic radiation, magnetic fields, and neutrinos....

). Many improvements on which he worked could not be completed in time for production. After Thiel's death in an August 1943 bombing raid, a design freeze stopped all development efforts. Dannenberg then became Walter Riedel
Walter Riedel
Walter J H "Papa" Riedel was a German engineer who was the head of the Design Office of the Army Research Centre Peenemünde and the Chief Designer of the A4 ballistic rocket...

's deputy and headed the crash effort to finalize production drawings of the V-2, the world's first ballistic missile
Ballistic missile
A ballistic missile is a missile that follows a sub-orbital ballistic flightpath with the objective of delivering one or more warheads to a predetermined target. The missile is only guided during the relatively brief initial powered phase of flight and its course is subsequently governed by the...

 and used by the Nazis to bomb London.

After the end of World War II, Dannenberg was brought to the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 with 117 other German specialists under Operation Paperclip
Operation Paperclip
Operation Paperclip was the Office of Strategic Services program used to recruit the scientists of Nazi Germany for employment by the United States in the aftermath of World War II...

 to Fort Bliss
Fort Bliss
Fort Bliss is a United States Army post in the U.S. states of New Mexico and Texas. With an area of about , it is the Army's second-largest installation behind the adjacent White Sands Missile Range. It is FORSCOM's largest installation, and has the Army's largest Maneuver Area behind the...

, Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

. Most members of the group performed calculations and designs of future advanced launch vehicles with longer ranges and greater payloads. About 30 members trained the U.S. Army and the support contractor General Electric
General Electric
General Electric Company , or GE, is an American multinational conglomerate corporation incorporated in Schenectady, New York and headquartered in Fairfield, Connecticut, United States...

 to launch V-2s at the White Sands Proving Ground. Due to range limitations, all rockets were launched vertically, to limit their range. Robert H. Goddard
Robert H. Goddard
Robert Hutchings Goddard was an American professor, physicist and inventor who is credited with creating and building the world's first liquid-fueled rocket, which he successfully launched on March 16, 1926...

's idea of upper atmosphere research could now be conducted on a large scale. When the Korean War
Korean War
The Korean War was a conventional war between South Korea, supported by the United Nations, and North Korea, supported by the People's Republic of China , with military material aid from the Soviet Union...

 started, the group were required to leave their quarters in an Annex to the Wm. Beaumont Hospital, and were eventually transferred to the Redstone Arsenal
Redstone Arsenal
Redstone Arsenal is a United States Army base and a census-designated place adjacent to Huntsville in Madison County, Alabama, United States and is part of the Huntsville-Decatur Combined Statistical Area...

 near Huntsville, Alabama
Huntsville, Alabama
Huntsville is a city located primarily in Madison County in the central part of the far northern region of the U.S. state of Alabama. Huntsville is the county seat of Madison County. The city extends west into neighboring Limestone County. Huntsville's population was 180,105 as of the 2010 Census....

, where development of the PGM-11 Redstone Missile was their first assignment. At that time rocket pioneer and former (non-active, honorary) SS officer Wernher von Braun
Wernher von Braun
Wernher Magnus Maximilian, Freiherr von Braun was a German rocket scientist, aerospace engineer, space architect, and one of the leading figures in the development of rocket technology in Nazi Germany during World War II and in the United States after that.A former member of the Nazi party,...

 decided not to start their own rocket engine development, but to purchase an engine from North American Aviation
North American Aviation
North American Aviation was a major US aerospace manufacturer, responsible for a number of historic aircraft, including the T-6 Texan trainer, the P-51 Mustang fighter, the B-25 Mitchell bomber, the F-86 Sabre jet fighter, the X-15 rocket plane, and the XB-70, as well as Apollo Command and Service...

 (NAA) that was being developed by Dannenberg's former boss, Riedel, who had previously left the team to join NAA. Due to these circumstances, Dannenberg became Liaison Engineer at NAA's Rocketdyne
Rocketdyne
Rocketdyne was a Rocket engine design and production company headquartered in Canoga Park, California, United States. The company was related to North American Aviation for most of its history. NAA merged with Rockwell International, which was then bought by Boeing in December, 1996...

 Division and procured rocket engines for the Redstone and the Jupiter IRBM for the U.S. Army. He also became responsible for production of the Redstone and Jupiter missile systems for the Army Ballistic Missile Agency
Army Ballistic Missile Agency
The Army Ballistic Missile Agency was the agency formed to develop the US Army's first intermediate range ballistic missile. It was established at Redstone Arsenal on February 1, 1956 and commanded by Major General John B...

 at the Chrysler
Chrysler
Chrysler Group LLC is a multinational automaker headquartered in Auburn Hills, Michigan, USA. Chrysler was first organized as the Chrysler Corporation in 1925....

 plant in Detroit, Michigan
Detroit, Michigan
Detroit is the major city among the primary cultural, financial, and transportation centers in the Metro Detroit area, a region of 5.2 million people. As the seat of Wayne County, the city of Detroit is the largest city in the U.S. state of Michigan and serves as a major port on the Detroit River...

.

In 1960 Dannenberg joined 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...

's newly-established Marshall Space Flight Center
Marshall Space Flight Center
The George C. Marshall Space Flight Center is the U.S. government's civilian rocketry and spacecraft propulsion research center. The largest center of NASA, MSFC's first mission was developing the Saturn launch vehicles for the Apollo moon program...

 as Deputy Manager of the Saturn program
Saturn (rocket family)
The Saturn family of American rocket boosters was developed by a team of mostly German rocket scientists led by Wernher von Braun to launch heavy payloads to Earth orbit and beyond. Originally proposed as a military satellite launcher, they were adopted as the launch vehicles for the Apollo moon...

. He received the NASA Exceptional Service Medal in 1973 for successfully initiating development of the largest rocket ever built, the Saturn V, which took the first human beings to the moon.

When Arthur Rudolph
Arthur Rudolph
Arthur Louis Hugo Rudolph was a German rocket engineer and member of the Nazi party who played a key role in the development of the V-2 rocket. After World War II he was brought to the United States, subsequently becoming a pioneer of the United States space program. He worked for the U.S...

 came back from the army's development of the Pershing missile system, Braun assigned the management of the Saturn system to him. Dannenberg then started to work on Saturn-based space stations, which were eventually replaced by the Space Shuttle
Space Shuttle
The Space Shuttle was a manned orbital rocket and spacecraft system operated by NASA on 135 missions from 1981 to 2011. The system combined rocket launch, orbital spacecraft, and re-entry spaceplane with modular add-ons...

-based ISS
ISS
The ISS is the International Space Station.ISS may also refer to:* I See Stars, an American electronic rock band* ISS A/S, a Danish service company* Idea Star Singer, a Malayalam music reality show by Asianet TV...

.

Post-retirement

Dannenberg retired from the Marshall Space Flight Center in 1973 and became an Associate Professor of Aerospace Engineering at the University of Tennessee
University of Tennessee
The University of Tennessee is a public land-grant university headquartered at Knoxville, Tennessee, United States...

 Space Institute (UTSI) in Tullahoma, Tennessee
Tullahoma, Tennessee
-Demographics:As of the census of 2010, there were 18,655 people, 7,717 households, and 5,161 families residing in the city. The racial makeup of the city was 88.1% White, 7.0% African American, 0.2% Native American, 1.2% Asian, 1.1% from other races, and 2.5% from two or more races...

.

Dannenberg was a Fellow of 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...

 and past president of the Alabama/Mississippi Chapter of this organization. In 1990 he received the prestigious DURAND Lectureship and in 1995 the Hermann Oberth
Hermann Oberth
Hermann Julius Oberth was an Austro-Hungarian-born German physicist and engineer. He is considered one of the founding fathers of rocketry and astronautics.- Early life :...

 Award. He was a member of the NASA/MSFC Retirees Association, an honorary member of the Hermann Oberth Society of Germany and a charter member of the L5 Society, which is now the National Space Society (NSS). In 1992, the Alabama Space and Rocket Center established "The Konrad Dannenberg Scholarship" in his honor, which grants the winning youngster free admittance to a Space Academy session. He attended many meetings of the International Astronautical Federation
International Astronautical Federation
International Astronautical Federation , the world's foremost space advocacy organisation, is based in Paris. It was founded in 1951 as a non-governmental organization. It has 206 members from 58 countries across the world. They are drawn from space agencies, industry, professional associations,...

 and presented a number of historical papers in their sessions.

Personal life

With his wife Ingeborg M. Kamke (now deceased), Dannenberg had a son, Klaus Dieter, who has two married children. From them Dannenberg had four great grandchildren. He had remarried to Jacquelyn E. Staiger of Boston, Massachusetts. Dannenberg died in Huntsville on the morning of Monday, February 16, 2009, at the age of 96.

External links

(includes Dannenberg interview)
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