Conversation so far:
Where was Camillo Golgi born?
Camillo Golgi was born in Corteno, Kingdom of Lombardy–Venetia, Italy.
Did Camillo Golgi complete any military service?
During the First World War (1914-1917), Camillo Golgi directed the military hospital Collegio Borrmeo at Pavia.

Question: Who was Golgi's most important teacher?
Self-contained rewrite: Who was Camillo Golgi's most important teacher?