William Alvin Howard
William Alvin Howard is a proof theorist best known for his work demonstrating formal similarity between intuitionistic logic and the simply typed lambda calculus that has come to be known as the Curry–Howard correspondence. He has also been active in the theory of proof-theoretic ordinals. He earned his Ph.D. at the University of Chicago in 1956 for a dissertation entitled "k-fold recursion and well-ordering". He was a student of Saunders Mac Lane.
The Howard ordinal was named after him.
He was elected to the 2018 class of fellows of the American Mathematical Society.
