computer science

George Stibitz and the Electromechanical Digital Computer

George Stibitz and the Electromechanical Digital Computer

On April 30, 1904, U.S. mathematician George Robert Stibitz was born. Stibitz is recognized as one of the fathers of the modern first digital computer. He was a Bell Labs researcher known for his work in the 1930s and 1940s on the realization of Boolean logic digital circuits using electromechanical relays as the switching element. “Part of the charm in solving a differential equation is in the feeling that we are getting…
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Frank Stephen Baldwin and the Pinwheel Calculator

Frank Stephen Baldwin and the Pinwheel Calculator

On April 10, 1838, American inventor Frank Stephen Baldwin was born, who invented a pinwheel calculator in 1874. He started the design of a new machine in 1905 and was able to finalize its design with the help of Jay R. Monroe who eventually bought the exclusive rights to the machine and started the Monroe Calculating Machine Company to manufacture it. Frank Stephen Baldwin, Engineer Baldwin was born in New Hartford, Connecticut.…
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The IBM System/360 and the Use of Microcode

The IBM System/360 and the Use of Microcode

On April 7, 1964, IBM introduced the IBM System/360, a rather successful family of mainframe computer systems, originally produced between 1965 and 1978 using microcode to implement the instruction set. It was the first family of computers designed to cover the complete range of applications, from small to large, both commercial and scientific. The design made a clear distinction between architecture and implementation. Also if you are not a computer scientist, you might…
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Samuel Morland and his Calculator Machine

Samuel Morland and his Calculator Machine

On December 30, 1695, English academic, diplomat, spy, inventor and mathematician Samuel Morland passed away. Morland was a polymath credited with early developments in relation to computing, hydraulics and steam power. He is probably best known for his designs of early calculator machines. Youth and Education Samuel Morland was born in Sulhamstead Bannister, Berkshire, England, the son of Thomas Morland, the rector of Sulhamstead Bannister parish church in Berkshire. Morland entered Winchester…
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Grace Hopper and the Programming Languages

Grace Hopper and the Programming Languages

On December 9, 1908, American computer scientist Grace Brewster Murray Hopper was born. Besides being credited for having invented the term “debugging”, Hopper was one of the first programmers of the Harvard Mark I computer in 1944. She invented the first compiler for a computer programming language and was one of those who popularized the idea of machine-independent programming languages which led to the development of COBOL, one of the first high-level…
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Fred Cohen and the first Computer Virus

Fred Cohen and the first Computer Virus

On November 10, 1983, U.S. student Fred Cohen at the University of Southern California‘s School of Engineering presented to a security seminar the results of his test, a program for a parasitic application that seized control of computer operations, one of the first computer viruses, created as an experiment in computer security. John von Neumann – the “Father of Computer Virology” But, the history of computer viruses dates back even further. The…
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Tom Kilburn and the First Stored-Program Computer

Tom Kilburn and the First Stored-Program Computer

On August 11, 1921, English engineer Tom Kilburn was born. Kilburn became known for having written the computer program used to test the first stored-program computer, the Small-Scale Experimental Machine, SSEM, also known as “The Baby” in 1948. “… the most exciting time was June 1948 when the first machine worked. Without question. Nothing could ever compare with that.” Tom Kilburn, Autumn 1992 Tom Kilburn was born in Dewsbury, Yorkshire, England and…
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John Wilkins and the Universal Language

John Wilkins and the Universal Language

On February 14, 1614, Anglican clergyman, natural philosopher and author John Wilkins was born. Wilkins was one of the founders of the Royal Society and a polymath, although not one of the most important scientific innovators of the period. He is particularly known for An Essay towards a Real Character and a Philosophical Language (1668) in which, amongst other things, he proposed a universal language and a decimal system of measures which…
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Richard Hamming and the Hamming Code

Richard Hamming and the Hamming Code

On February 11, 1915, American mathematician Richard Wesley Hamming was born. Hamming’s work had many implications for computer science and telecommunications. His contributions include the Hamming code (which makes use of a Hamming matrix), the Hamming window, Hamming numbers, sphere-packing (or Hamming bound), and the Hamming distance. “The purpose of computation is insight, not numbers.” – Richard Wesley Hamming (1962) as quoted in [2] Richard Hamming – Youth and Education Richard Wesley…
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How Margaret Hamilton Helped Apollo 11 to Safely Land on the Moon

How Margaret Hamilton Helped Apollo 11 to Safely Land on the Moon

On August 17, 1936, American computer scientist, systems engineer, and business owner Margaret Hamilton was born. Hamilton was Director of the Software Engineering Division of the MIT Instrumentation Laboratory, which developed on-board flight software for the Apollo space program. A Software Developer at MIT Margaret Elaine Heafield was born in Paoli, Indiana, USA, to Kenneth Heafield and Ruth Esther Heafield.  Hamilton graduated from Hancock High School in 1954 and received her B.Sc.…
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