Aristolte: Greek Philosopher - Stageira, 384 BC - Chalcidice, 322 BC.
Chrysippus of Soli: Greek Stoic philosopher - Soli, c. 280 BC - Athens, c. 204 BC.
Thomas Aquinas also Thomas of Aquin or Aquino: Italian theologian and philosopher - Roccasecca, 1225 - Fossanova, 7 March 1274.
John (Johannes) Duns Scotus: Scottish theologian and philosopher - Duns or Maxton, c. 1265 - Cologne (Germany) November 8, 1308.
William of Ockham also Occam, Hockham, or several other spellings: English theologian, philosopher and logician - Ockham, c. [1280-1290] - Munich (in Bavaria, Germany), c. [1347-1350]
Friedrich Ludwig Gottlob Frege: German mathematician, logician and philosopher - Wismar, 8 November 1848 - Bad Kleinen, 26 July 1925
Stanislaw Lesniewski: Polish logician, philosopher and mathematician - Serpukhov (Russia), 30 March 1886 - Warsaw, 13 May 1939.
Alan Mathison Turing: English mathematician, logician and computer scientist - London, 23 June 1912 - Wilmslow, 7 June 1954.