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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]
This machine was to be known as the "Analytical Engine", which was the first true representation of what is the modern computer. [24] Ada Lovelace (1815–1852) predicted the use of computers in symbolic manipulation. Ada Lovelace (Augusta Ada Byron) is credited as the pioneer of computer programming and is regarded as a mathematical genius ...
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 ...
Diagrammatic representation of computer logic gates. Logic in computer science covers the overlap between the field of logic and that of computer science. The topic can essentially be divided into three main areas: Theoretical foundations and analysis; Use of computer technology to aid logicians; Use of concepts from logic for computer applications
Louis Hodes – Lisp, pattern recognition, logic programming, cancer research; John Henry Holland – pioneer in what became known as genetic algorithms, developed Holland's schema theorem, Learning Classifier Systems; Allen Holub – author and public speaker, Agile Manifesto signatory; Grace Hopper – Harvard Mark I computer, FLOW-MATIC, COBOL
Post's rewrite technique is now ubiquitous in programming language specification and design, and so with Church's lambda calculus is a salient influence of classical modern logic on practical computing. Post devised a method of 'auxiliary symbols' by which he could canonically represent any Post-generative language, and indeed any computable ...
In 1953, more than a century after her death, Ada Lovelace's notes on Babbage's Analytical Engine were republished as an appendix to B. V. Bowden's Faster than Thought: A Symposium on Digital Computing Machines. [78] The engine has now been recognised as an early model for a computer and her notes as a description of a computer and software. [65]