- 1617
| Apr 04 | Mathematician, discoverer of logarithms, John Napier dies in Edinburgh, Scotland. | Ref: 68 |
- 1623
| Jun 19 | Blaise Pascal mathematician/physicist/religious writer, is born. | Ref: 5 |
- 1662
| Aug 19 | Blaise Pascal, French mathematician, physicist and religious philosopher, dies at age 39. | Ref: 4 |
- 1667
| Jul 27 | Johann Bernoulli, mathematician, is born. | Ref: 62 |
- 1752
| Jul 07 | Joseph-Marie Jacquard, inventor of the punch card weaving machine, is born in Lyons, France. | Ref: 2 |
- 1792
| Dec 26 | Charles Babbage, English mathematician who perfected the calculating machine, is born. | Ref: 68 |
- 1815
| Nov 02 | George Boole mathematician (Boolean algebra), is born. | Ref: 5 |
| Dec 10 | Augusta Ada Byron, later the Countess of Lovelace, is born. Lovelace, a mathematical prodigy and daughter of the poet Lord Byron, was an important influence on Charles Babbage, who developed one of the first mechanical computers. Ref. |   |
- 1834
| Aug 07 | Joseph-Marie Jacquard, French inventor of the Jacquard loom, dies at age 82. | Ref: 70 |
- 1852
| Nov 27 | Ada Byron, Lady Lovelace, inventor of the programming loop, first suggested a binary storage system, dies. | Ref: 62 |
- 1860
| Feb 29 | Herman Hollerith, inventor of a tabulation mechanism that was a forerunner to the computer, is born. | Ref: 68 |
- 1864
| Dec 08 | George Boole, the inventor of Boolean algebra, dies of pneumonia. | Ref: 68 |
- 1871
| Oct 18 | Charles Babbage, English mathematician who perfected the calculating machine, dies at age 79. | Ref: 68 |
- 1874
| Feb 17 | Thomas J. Watson Sr., U.S. industrialist who converted a financially ailing manufacturing business into the international giant IBM, is born. | Ref: 2 |
- 1890
| Mar 11 | Vannevar Bush developed first electronic analogue computer, is born. | Ref: 5 |
- 1900
| Mar 08 | Howard Hathaway Aiken, inventor of the Mark I, computer pioneer, is born in Hoboken NJ. | Ref: 68 |
- 1902
| Jun 23 | Dr Howard T Engstrom Boston, a designer of Univac computer, is born. | Ref: 5 |
- 1903
| Oct 04 | -John Vincent Atanasoff, inventor of the Atanasoff Berry Computer, the world's first electronic digital computer, is born. |   |
| Dec 03 | John Lewis von Neumann, promoter of the stored program concept, whose logical design of the IAS became the prototype of most of its successors - the von Neumann Architecture, is born. | Ref: 68 |
| Dec 28 | John Von Neumann mathematician/astronomer (Bocher Award 1938), is born. | Ref: 5 |
- 1904
| Apr 20 | -Dr. George Robert Stibitz, pioneer of digital computing and remote job entry, is born. |   |
- 1906
| Dec 09 | Grace Hopper computer developer: COBOL; U.S. Naval officer: Rear Admiral, oldest naval officer on active duty [retired at age 79]; is born. | Ref: 4 |
- 1907
| Aug 30 | John W. Mauchly, credited with co-inventing the computer, co-builder of the ENIAC, is born. | Ref: 62 |
- 1910
| Feb 02 | Charlotte Auerbach computer Pioneer/Mathematician, is born. | Ref: 5 |
| Jun 22 | Konrad Zuse, German inventor of the Z3 computer (the first binary computer), is born in Berlin. | Ref: 62 |
- 1912
| Jun 23 | Alan Turing mathematician pioneer in computer theory (Turing Machine), is born. | Ref: 5 |
- 1913
| May 20 | William Hewlett cofounder of Hewlett-Packard Co, is born. | Ref: 5 |
| Jun 26 | Maurice Wilkes inventor (stored program concept for computers), is born. | Ref: 5 |
- 1914
| Jan 08 | Thomas J Watson Jr president of IBM (1956-71)/diplomat, is born. | Ref: 68 |
- 1918
| Jul 14 | Jay Wright Forrester invented random-access magnetic core memory, is born. | Ref: 5 |
- 1919
| Apr 09 | John Presper Eckert co-inventor (1st electronic computer-ENIAC), is born. | Ref: 5 |
- 1920
| Feb 07 | Dr An Wang founder (Wang Labs, Wang Computers), is born in Shanghai, China. | Ref: 68 |
- 1922
| Nov 16 | Computer designer, chief architect of the IBM 360, Gene Amdahl is born. | Ref: 15 |
- 1923
| Jan 08 | Joseph Wiezenbaum artificial intelligence pioneer, is born. | Ref: 5 |
- 1924
| Dec 03 | John Backus inventor (FORTRAN computer language), is born. | Ref: 5 |
- 1925
| Sep 28 | Seymour Cray, inventor of the Cray I computer, is born. | Ref: 5 |
- 1926
| Feb 20 | Kenneth H Olsen US, engineer/founder (Digital Equipment Corp), is born. | Ref: 5 |
- 1927
| Aug 09 | Marvin Minsky Artifical intelligence computer scientist (MIT), is born. | Ref: 5 |
- 1929
| Nov 17 | Herman Hollerith engineer, teacher, inventor: first electric tabulating machine [forerunner of the calculator], founded Tabulating Machine Company: forerunner of Computer Tabulating Recording Company [CTR]: forerunner of IBM [International Business Machines]; dies at age 69. | Ref: 68 |
- 1933
| Oct 27 | Gerald M. Weinberg, computer scientist-author, born | Ref: 62 |
- 1934
| Feb 15 | Niklaus Wirth Switzerland, computer programmer/inventor (PASCAL), is born. | Ref: 5 |
- 1937
| Jul 19 | Larry Boxx founded Land B Computer Serv, is born. | Ref: 5 |
- 1939
| Jan 05 | Peter Struycken statues/computer expert/teacher, is born. | Ref: 5 |
- 1942
| May 19 | Gary Kildall creator of CP/M, is born. | Ref: 5 |
| May 19 | James Topping author of CP/M, is born. | Ref: 5 |
- 1943
| Feb 05 | Nolan Bushnell founder (Atari)/creator (Pong), is born. | Ref: 5 |
- 1947
| Feb 23 | Colin Sanders British computer engineer (Solid State Logic), is born. | Ref: 5 |
- 1949
| Jun 14 | Bob Frankston programmer (VisiCalc), is born. | Ref: 5 |
- 1950
| Aug 11 | Steve Wozniak founder: Apple Computer, Inc [1976: w/Steve Jobs], is born. | Ref: 4 |
- 1954
| Jun 07 | Alan Turing dies of self-inflicted cyanide poisoning. | Ref: 10 |
| Aug 11 | Stephen Wozniac, Cofounder of Apple, is born. | Ref: 62 |
- 1955
| Feb 24 | Mrs. Jobs names her baby boy - "Steven". | Ref: 5 |
| Oct 28 | Mrs. Gates names her baby boy - "William". | Ref: 2 |
| Dec 20 | Sammy Mitchell US programmer (Qedit/TSE/Semware), is born. | Ref: 5 |
- 1956
| Jun 19 | Thomas J. Watson, Sr., the American industrialist who built I.B.M., dies. | Ref: 70 |
- 1957
| Feb 08 | John Lewis von Neumann, promoter of the stored program concept, whose logical design of the IAS became the prototype of most of its successors - the von Neumann Architecture, dies at age 53. | Ref: 68 |
- 1962
| Mar 09 | Dr Howard Engstrom Boston MA, a designer of Univac computer dies at 59. | Ref: 5 |
- 1967
| Jan 03 | Joseph Amor San Jose, video game record holder (Space Invaders), is born. | Ref: 5 |
- 1968
| Feb 21 | Todd Ferich computer language expert, is born. | Ref: 5 |
- 1971
| Nov 16 | Donald Wolf computer game creator, is born. | Ref: 5 |
- 1973
| Mar 14 | Computer pioneer Howard H. Aiken dies in St. Louis MO. | Ref: 68 |
- 1974
| Jun 28 | Vannevar Bush, American electrical engineer and government administrator in World War II, developed first electronic analogue computer, dies at age 84. | Ref: 70 |
- 1980
| Jan 08 | John W. Mauchly, credited with co-inventing the computer, co-builder of the ENIAC, dies. (TWA, 1981) | Ref: 95 |
- 1988
| Dec 07 | Andrei P Ershov Russian computer pioneer, dies. | Ref: 5 |
- 1990
| Mar 24 | Shanghai-born An Wang, founder of Wang Laboratories, dies at age 70 from cancer. He had immigrated to the U.S. and later attended Harvard University, where he earned a Ph.D. In 1948, he invented the magnetic memory core, laying the foundation for all computer memory until the invention of the microchip. | Ref: 68 |
- 1992
| Jan 01 | Grace Hopper computer developer: COBOL; U.S. Naval officer: Rear Admiral, oldest naval officer on active duty [retired at age 79]; dies at age 85. | Ref: 5 |
| Dec 26 | John G Kemeny US computer pioneer (BASIC), dies | Ref: 5 |
- 1993
| Dec 31 | Thomas J Watson Jr president of IBM (1956-71)/diplomat, dies at age 79 in Greenwich CT. | Ref: 68 |
- 1995
| Jan 13 | Dr. George Robert Stibitz, pioneer of digital computing and remote job entry, dies. | Ref: 68 |
| Jun 03 | John Presper Eckert, computer pioneer, co-inventor of the ENIAC, dies. (TWA, 1996) | Ref: 95 |
| Dec 18 | -Konrad Zuse, German inventor of the Z3 computer (the first binary computer), dies in Hunfield Germany. |   |
- 1996
| Oct 05 | Supercomputer pioneer Seymour Cray dies at age 71. (TWA, 1997) | Ref: 95 |
| Dec 13 | Charles Edwin Molnar computer pioneer, dies at 61. | Ref: 5 |
- 1997
| Dec 22 | John Pinkerton computer scientist, dies at 78. | Ref: 5 |
- 2001
| Jan 12 | Hewlett-Packard Co. co-founder William Hewlett died in Palo Alto, Calif., at age 87. | Ref: 70 |
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