Nelson, Everett J.
Bennett, Albert A.
Black, Max
Smullyan, Arthur Francis
McKinsey, J. C. C.
Church, Alonzo
Quine, W. V.
Vaughan, H. E.
Beth, Evert W.
Mostowski, Andrzej
Bernays, Paul
Wang, Hao
Goodstein, R. L.
Goodman, Nelson ; Quine, W. V.
Baylis, Charles A.
Goodman, Nelson
Hempel, Carl G.
Ketonen, Oiva
Kleene, S. C.
Skolem, Th.
Brown, George W.
Berry, George D. W.
Nagel, Ernest
Kalmar, Laszlo ; Suranyi, Janos
Ulam, S.
v. Wright, G. H.
Nelson, David
L'Abbe, Maurice
Hinshaw, Virgil
Turquette, A. R.
Ribeiro, Hugo
Fitch, Frederic B.
Feys, Robert
Ambrose, Alice
Beth, E. W.
Barcan, Ruth C.
Post, Emil L.