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Pioneer of mainframe computing; designed IBM 704; chief architect of IBM System/360. [4] [5] Formulated Amdahl's law; also worked on IBM 709 and IBM 7030 Stretch. [6] 1939 Atanasoff, John: Built the first electronic digital computer, the Atanasoff–Berry Computer, though it was neither programmable nor Turing-complete. 1822, 1837 Babbage, Charles
Alonzo Church (June 14, 1903 – August 11, 1995) was an American computer scientist, mathematician, logician, and philosopher who made major contributions to mathematical logic and the foundations of theoretical computer science. [2]
The history of computer science began long before the modern discipline of computer science, usually appearing in forms like mathematics or physics. Developments in previous centuries alluded to the discipline that we now know as computer science. [ 1 ]
George Robert Stibitz (April 30, 1904 [1] – January 31, 1995) [2] was an American researcher at Bell Labs who is internationally recognized as one of the fathers of the modern digital computer. He was known for his work in the 1930s and 1940s on the realization of Boolean logic digital circuits using electromechanical relays as the switching ...
Turing gives two definitions, the first a summary in §1 Computing machines and another very similar in §9.I derived from his more detailed analysis of the actions a human "computer". With regards to his definition §1 he says that "justification lies in the fact that the human memory is necessarily limited", [ 38 ] and he concludes §1 with ...
The theory of computation can be considered the creation of models of all kinds in the field of computer science. Therefore, mathematics and logic are used. In the last century, it separated from mathematics and became an independent academic discipline with its own conferences such as FOCS in 1960 and STOC in 1969, and its own awards such as the IMU Abacus Medal (established in 1981 as the ...
Charles Babbage Institute Reprint Series for the History of Computing. Vol. 6. Cambridge. ISBN 0-262-08147-4. Hartree, Douglas R. (1949). Calculating Instruments and Machines. Charles Babbage Institute Reprint Series for the History of Computing. Vol. 6. U of Illinois Press. ISBN 0-262-08147-4. Haigh, Thomas; Priestley, Mark; Rope, Crispin (2016).
Allen Newell (March 19, 1927 – July 19, 1992) was an American researcher in computer science and cognitive psychology at the RAND Corporation and at Carnegie Mellon University's School of Computer Science, Tepper School of Business, and Department of Psychology.