J. Presper Eckert

J. Presper Eckert (born April 9, 1919, Philadelphia, Pennsylvania, U.S.—died June 3, 1995, Bryn Mawr, Pennsylvania) was an American engineer and co-inventor of the first general-purpose electronic computer, a digital machine that was the prototype for most computers in use today.

Eckert was educated at the Moore School of Electrical Engineering at the University of Pennsylvania, Philadelphia (B.S., 1941; M.S., 1943), where he and his professor, John W. Mauchly, made several valuable improvements in computing equipment. In 1946 the pair fulfilled a government contract to build a digital computer, which they called ENIAC (Electronic Numerical Integrator and Computer). In primitive form, ENIAC contained virtually all the circuitry used in present-day high-speed digital computers. It was used by the U.S. Army for military calculations.

In 1948 Eckert and Mauchly established a computer-manufacturing firm; a year later, they introduced BINAC (Binary Automatic Computer), which stored information on magnetic tape rather than on punched cards. Designed to handle business data, UNIVAC I (Universal Automatic Computer), Eckert and Mauchly’s third model, found many uses in commerce and may be said to have started the computer boom. Between 1948 and 1966 Eckert received 85 patents, mostly for electronic inventions.

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Eckert remained in executive positions at his company when it was acquired by Remington Rand, Inc., in 1950 and when that firm was, in 1955, merged into the Sperry Rand Corp. (later Unisys Corp.). Eckert was elected to the National Academy of Engineering in 1967 and was awarded the National Medal of Science in 1968.