How many letters does the top answer for “which of the following mathematicians made major contributions to game theory” have?

The most common answer is john (4 letters).

Crossword clue: which of the following mathematicians made major contributions to game theory

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

john 4 letters otdb

a room or building equipped with one or more toilets

neumann 7 letters otdb

United States mathematician who contributed to the development of atom bombs and of stored-program digital computers (19

von 3 letters otdb