Herbert B. Enderton
S. Barry Cooper
Bernard Linsky
Joseph R. Shoenfield
Rudolf Carnap
A. Nogueira
Alice Ambrose
Richard C. Jeffrey
Harold N. Lee
Fiora Pirri
J. A. van Hulzen
Clarence Irving Lewis
Stewart Shapiro
Logic Colloquium '92 (Veszprem, Hungary : 1992)
Alonzo Church
International Symposium on Symbolic and Algebraic Computation (1984 Cambridge, England)
European Computer Algebra Conference (1st 1982 Marseille, France)
E.W. Ng
AAECC-6 (Conference) (1988 Rome, Italy)
Judith L. Klavans