Philosophers of logic

Aristotle (; 384–322 BC) was an ancient Greek philosopher and polymath. His writings cover a broad range of subjects spanning the natural sciences, philosophy, linguistics, economics, politics, psychology, and the arts. As the founder of the Peripatetic school of philosophy in the Lyceum in Athens, he began the wider Aristotelian tradition that followed, which set the groundwork for the development of modern science.

German philosopher (1724-1804)

French philosopher, mathematician, and scientist (1596–1650)

Scottish moral philosopher and political economist (1723–1790)

Italian Dominican friar, philosopher, Catholic priest, and Doctor of the Church (1225–1274)

German mathematician and philosopher (1646–1716)

Ibn Sina ( – 22 June 1037), commonly known in the West as Avicenna ( ), was a preeminent philosopher and physician of the Muslim world. He was a seminal figure of the Islamic Golden Age, serving in the courts of various Iranian rulers, and was influential to medieval European medical and Scholastic thought.

English philosopher and statesman (1561–1626)

Austrian philosopher and logician (1889–1951)

Ibn Rushd (14 April 112611 December 1198), Latinized as Averroes, was an Andalusian polymath and jurist who was proficient in a variety of intellectual fields, including philosophy, theology, medicine, astronomy, physics, psychology, mathematics, neurology, Islamic jurisprudence and law, and linguistics. The author of more than 100 books and treatises, his philosophical works include numerous commentaries on Aristotle, for which he was known in the Western world as "The Commentator" and "Father of Rationalism".

French mathematician, physicist and engineer (1854–1912)

Austrian-British philosopher of science and social and política e falsificationism and for criticism of Plato, Hegel and Marx as totalitarian opponents of open society (1902-1994)

German philosopher, known as the father of phenomenology (*1859 – †1938)

Chinese Taoist philosopher (c. 369–286 BC)

thumbnail|200px|Postage stamp of the USSR, issued on the 1100th anniversary of the birth of Al-Farabi (1975) Abu Nasr Muhammad al-Farabi (; – 14 December 950–12 January 951), known in the Latin West as Alpharabius, was an early Islamic philosopher and music theorist. He has been designated as "Father of Islamic Neoplatonism", and the "Founder of Islamic Political Philosophy".

English mathematician, philosopher and logician (1815–1864)

German philosopher, logician, and mathematician (1848–1925)

Abū Yūsuf Yaʻqūb ibn ʼIsḥāq aṣ-Ṣabbāḥ al-Kindī (; ; ; ) was an Arab polymath who was active as a philosopher, mathematician, physician, and music theorist. Al-Kindi was the first of the Islamic peripatetic philosophers, and is hailed as the "father of Arab philosophy".

Spanish-American philosopher

Mozi, personal name Mo Di,

German philosopher and logician (1891–1970)

German theologian, philosopher, and biblical scholar (1768-1834)

Bohemian mathematician and priest (1781–1848)

German philosopher, psychologist, and founder of pedagogy as an academic discipline (1776-1841)

German historian, psychologist, sociologist, student of hermeneutics, and philosopher (1833–1911)

Polish-American logician (1901-1983)

Scottish philosopher (1694–1746)

Polish logician, mathematician, philosopher, rector of the University of Warsaw (1878–1956)

Hungarian-British polymath (1891–1976)

Dutch mathematician and logician (1881–1966)

German philosopher (1817-1881)

German philosopher (1848–1915)

German–American philosopher

German philosopher (1905–1997)

Argentine-Canadian philosopher (1919-2020)

German philosopher (1863-1936)

Finland Swedish philosopher, professor and member of the Academy of Finland (1916–2003)

Polish philosopher, psychologist and logician (1866–1938)

German-born British philosopher

German philosopher (1921–2023)

South African philosopher and academic

French philosopher

Scottish-born Australian philosopher (1893–1962)

Norwegian philosopher

New Zealand logician and philosopher (1914–1969)

Lithuanian politician (1944–2006)

philosopher

Spanish philosopher

Professor of Philosophy

Italian philosopher and logician (1868-1956)

German philosopher (1793–1855)

Canadian-British philosopher (born 1933)

Iranian writer