Fernando J. Corbató
Encyclopedia
Fernando José "Corby" Corbató (born July 1, 1926 in Oakland
Oakland, California
Oakland is a major West Coast port city on San Francisco Bay in the U.S. state of California. It is the eighth-largest city in the state with a 2010 population of 390,724...

, California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

) is a prominent American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 computer scientist
Computer scientist
A computer scientist is a scientist who has acquired knowledge of computer science, the study of the theoretical foundations of information and computation and their application in computer systems....

, notable as a pioneer in the development of time-sharing
Time-sharing
Time-sharing is the sharing of a computing resource among many users by means of multiprogramming and multi-tasking. Its introduction in the 1960s, and emergence as the prominent model of computing in the 1970s, represents a major technological shift in the history of computing.By allowing a large...

 operating system
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

s.

Amongst many awards, he received the Turing Award
Turing Award
The Turing Award, in full The ACM A.M. Turing Award, is an annual award given by the Association for Computing Machinery to "an individual selected for contributions of a technical nature made to the computing community. The contributions should be of lasting and major technical importance to the...

 in 1990, "for his pioneering work in organizing the concepts and leading the development of the general-purpose, large-scale, time-sharing and resource-sharing computer systems".

The first timesharing system he was associated with was known as the MIT Compatible Time-Sharing System, an early version of which was demonstrated in 1961. The experience gained led to a second project, Multics
Multics
Multics was an influential early time-sharing operating system. The project was started in 1964 in Cambridge, Massachusetts...

, which was adopted by Honeywell
Honeywell
Honeywell International, Inc. is a major conglomerate company that produces a variety of consumer products, engineering services, and aerospace systems for a wide variety of customers, from private consumers to major corporations and governments....

. Multics, while not particularly commercially successful in itself, directly inspired Ken Thompson to develop Unix
Unix
Unix is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, and Joe Ossanna...

, the direct descendants of which are still in extremely wide use; it also served as a model for every other subsequent operating system design.

Born in Oakland, California
Oakland, California
Oakland is a major West Coast port city on San Francisco Bay in the U.S. state of California. It is the eighth-largest city in the state with a 2010 population of 390,724...

, Corbató received a bachelor's degree from the California Institute of Technology
California Institute of Technology
The California Institute of Technology is a private research university located in Pasadena, California, United States. Caltech has six academic divisions with strong emphases on science and engineering...

 in 1950, and then a 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...

 in physics
Physics
Physics is a natural science that involves the study of matter and its motion through spacetime, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.Physics is one of the oldest academic...

 from 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...

 in 1956. He joined MIT's Computation Center immediately upon graduation, became a professor in 1965, and stayed at MIT until he retired.

Corbató is sometimes known for "Corbató's Law" which states
The number of lines of code a programmer can write in a fixed period of time is the same independent of the language used.


Corbató has a wife, Emily. He has two daughters, Carolyn and Nancy Corbató by his late wife Isabel, and two step sons, David and Jason Gish.

Further reading


External links

  • Oral history interview with Fernando J. Corbató at Charles Babbage Institute
    Charles Babbage Institute
    The Charles Babbage Institute is a research center at the University of Minnesota specializing in the history of information technology, particularly the history since 1935 of digital computing, programming/software, and computer networking....

    , University of Minnesota. Corbató discusses computer science research, especially time-sharing, at the Massachusetts Institute of Technology (MIT).
  • Oral history interview with Fernando J. Corbató at the Computer History Museum
    Computer History Museum
    The Computer History Museum is a museum established in 1996 in Mountain View, California, USA. The Museum is dedicated to preserving and presenting the stories and artifacts of the information age, and exploring the computing revolution and its impact on our lives.-History:The museum's origins...

     in Mountain View, CA. Fernando Corbató reviews his early educational and naval experiences in the Eddy program during World War II, including the Compatible Time-Sharing System (CTSS), Project MAC, and Multics.
  • Computer Networks: The Heralds of Resource Sharing, documentary ca. 1972 about the ARPANET
    ARPANET
    The Advanced Research Projects Agency Network , was the world's first operational packet switching network and the core network of a set that came to compose the global Internet...

    . Includes footage of Fernando Corbató.
  • 1964 TV episode of John Fitch, Science Reporter, featuring MIT's CTSS time-sharing system and an interview with MIT Professor Fernando J Corbato.
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