The Gallery
20th century
Gerald Sacks
J. Barkley Rosser
Julia Robinson
Raphael M. Robinson
Constantin Rădulescu-Motru
Mojżesz Presburger
Emil Leon Post
Walter Pitts
Rózsa Péter
Chaïm Perelman
Pyotr Novikov
John von Neumann
Andrzej Mostowski
C. A. Meredith
Saunders Mac Lane
Leopold Löwenheim
Martin Löb
Adolf Lindenbaum
Joachim Lambek
Kenneth Kunen
Georg Kreisel
Stephen Cole Kleene
Bjarni Jónsson
