Kazimierz
Twardowski

Uniwersytet Lwowski (Neurotree)


Stanisław
Leśniewski

University of Warsaw


Alfred
Tarski

UC Berkeley


Solomon
Feferman

Stanford (MathTree)

Paolo
Mancosu

UC Berkeley
(Options)


Chris J.
Pincock

UC Berkeley

Johannes
Hafner

UC Berkeley

Richard
Zach

University of Calgary (MathTree)

Paolo MancosuX