Cambridge Computing introduction.
Moritz Schlick, 1936 .... Kurt Gödel .... meets Turing, Summer 1937 coversations with Wittgenstein deflects to zeta function for Turing's Ph.D. project.
Princeton The building of Alan Turing's first computer (1938-1940).
1939 lectures on philosophy of mathematical logic by Ludwig Wittgenstin.
