Rudolf Carnap
Rudolf Carnap was a German-language philosopher who was active in Europe before 1935 and in the United States thereafter. He was a major member of the Vienna Circle and an advocate of logical positivism.
18 May 1891
Born on the same birth day (18 May): Emma Navarro • Hala Finley • Josephus Daniels • Malcolm Longair • Michael Tait • Ryan Sessegnon • Thomas Midgley Jr.
Born in the same month (May 1891): Hjalmar Dahl • Jaan Kärner • May 1 • Napoleon Zervas • Oswald Boelcke • Pär Lagerkvist • William F. Albright