- male, deceased (1969)
- Arthur Norman Prior was a noted logician. Prior (1957) founded tense logic, now also known as temporal logic, and made important contributions to...
- male, deceased (1956)
- Jan Łukasiewicz (21 December, 1878 - 13 February, 1956) was a Polish mathematician born in Lemberg, Galicia, Austria-Hungary (now Lviv, Ukraine). H...
- male, deceased (1986)
- Jean Louis Maxime Van Heijenoort (pronounced "highenort") (July 23 1912, Creil France - March 29 1986, Mexico City) was a pioneer historian of...
- male, 93 years old
- Peter Thomas Geach (b. 29 March 1916) is a British philosopher. His areas of interest are the history of philosophy, philosophical logic, the...
- male, deceased (2000)
- Kenneth Jon Barwise (June 29, 1942 - March 5, 2000) was a U.S. mathematician, philosopher and logician who proposed some fundamental revisions to...
- male, 76 years old
- David Benjamin Kaplan (born 1933) is an American philosopher and logician teaching at UCLA. His philosophical work focuses on logic, philosophical...
- male
- Peter of Spain or, in Latin, Petrus Hispanus (13th century) is the Mediaeval author of "Tractatus", a standard textbook on logic, and often...
- male, deceased (1945)
- Gerhard Karl Erich Gentzen was a German mathematician and logician. Gentzen was born in Greifswald, Germany. He was one of Hermann Weyl's students...
- male, deceased (1902)
- Ernst Schröder was a German mathematician mainly known for his work on algebraic logic. He is a major figure in the history of mathematical logic (...
- male, deceased (1964)
- Clarence Irving Lewis (April 12, 1883 Stoneham, Massachusetts - February 3, 1964 Cambridge, Massachusetts), usually cited as C. I. Lewis, was an...
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