John Francis Couleur (July 7 1925, Chicago – August 25 2007,

Scottsdale, Arizona , settlement_type = City , named_for = Winfield Scott , image_skyline = , image_seal = Seal of Scottsdale (Arizona).svg , image_blank_emblem = City of Scottsdale Script Logo.svg , nick ...

) was an American computer engineer and executive. He was the recipient of over 40 patents.

Early life

During

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

, Couleur enrolled in the

V-12 Navy College Training Program The V-12 Navy College Training Program was designed to supplement the force of commissioned officers in the United States Navy during World War II. Between July 1, 1943, and June 30, 1946, more than 125,000 participants were enrolled in 131 colleg ...

. He graduated summa cum laude from

Southern Methodist University , mottoeng = "The truth will make you free" , established = , type = Private research university , accreditation = SACS , academic_affiliations = , religious_affiliation = United Methodist Church , president = R. Gerald Turner , prov ...

Houston, Texas Houston (; ) is the most populous city in Texas, the most populous city in the Southern United States, the fourth-most populous city in the United States, and the sixth-most populous city in North America, with a population of 2,304,580 in ...

in 1946. During the

Korean War , date = {{Ubl, 25 June 1950 – 27 July 1953 (''de facto'')({{Age in years, months, weeks and days, month1=6, day1=25, year1=1950, month2=7, day2=27, year2=1953), 25 June 1950 – present (''de jure'')({{Age in years, months, weeks a ...

, he served as a lieutenant in the

United States Air Force The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signal ...

Career

Couleur joined the

General Electric Company The General Electric Company (GEC) was a major British industrial conglomerate involved in consumer and defence electronics, communications, and engineering. The company was founded in 1886, was Britain's largest private employer with over 250 ...

. In 1953, at GE's Heavy Military Electronics Department (HMED) in

Syracuse, New York Syracuse ( ) is a City (New York), city in and the county seat of Onondaga County, New York, Onondaga County, New York, United States. It is the fifth-most populous city in the state of New York following New York City, Buffalo, New York, Buffa ...

, he served as lead architect on the development of the

MISTRAM MISTRAM (''MISsile TRAjectory Measurement'') was a high-resolution tracking system used by the United States Air Force (and later NASA) to provide highly detailed trajectory analysis of rocket launches. A "classic" ranging system used since the 1 ...

tracking system for the

Atlas Missile The SM-65 Atlas was the first operational intercontinental ballistic missile (ICBM) developed by the United States and the first member of the Atlas rocket family. It was built for the U.S. Air Force by the Convair Division of General Dyna ...

. Later at GE, he was responsible for the development of the

GE-635 The GE-600 series was a family of 36-bit mainframe computers originating in the 1960s, built by General Electric (GE). When GE left the mainframe business the line was sold to Honeywell, which built similar systems into the 1990s as the division m ...

computer system. At the request of MIT Project MAC, Couleur and Ted Glaser designed the modifications to turn the 635 system into what became the

GE-645 The GE 645 mainframe computer was a development of the GE 635 for use in the Multics project. This was the first computer that implemented a configurable hardware protected memory system. The original CTSS was implemented on a modified IBM 7094 wi ...

for the

Multics Multics ("Multiplexed Information and Computing Service") is an influential early time-sharing operating system based on the concept of a single-level memory.Dennis M. Ritchie, "The Evolution of the Unix Time-sharing System", Communications of t ...

Operating System in 1972.

References

1925 births 2007 deaths Computer architects General Electric employees Southern Methodist University alumni {{US-scientist-stub