John Atanasoff

4 October 1903 – 15 June 1995

John Vincent Atanasoff was an American physicist and inventor credited with building the first electronic digital computer, the Atanasoff–Berry Computer (ABC), with his graduate student Clifford Berry. A 1973 federal court ruling recognized his work as the basis for the electronic digital computer.

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Life events

Born in Hamilton, New York
4 October 1903

John Vincent Atanasoff was born in Hamilton, New York, to a Bulgarian immigrant father.

Source: en.wikipedia.org
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Doctorate in physics from the University of Wisconsin
1930

Atanasoff earned his PhD in theoretical physics.

Source: en.wikipedia.org
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Joined the faculty of Iowa State College
1930

Atanasoff became a professor of mathematics and physics at Iowa State.

Source: en.wikipedia.org
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Built the Atanasoff–Berry Computer
1937 – 1942

With Clifford Berry, Atanasoff developed the ABC, the first electronic digital computing device.

Source: en.wikipedia.org
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Wartime work at the Naval Ordnance Laboratory
1942 – 1952

During World War II, Atanasoff conducted acoustics and ordnance research for the U.S. Navy.

Source: en.wikipedia.org
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Recognized as inventor of the electronic digital computer
1973

A federal court in Honeywell v. Sperry Rand invalidated the ENIAC patent, crediting Atanasoff's work.

Source: en.wikipedia.org
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Awarded the National Medal of Technology
1990

Atanasoff received the National Medal of Technology for his invention of the electronic digital computer.

Source: en.wikipedia.org
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Died in Frederick, Maryland
15 June 1995

John Atanasoff died of a stroke at his home in Maryland.

Source: en.wikipedia.org
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