The eminent proof theorist and philosopher of mathematics William Walker ("Bill") Tait died March 15, 2024 in Chicago. He was 95. Bill was born on January 22, 1929, in Freeport, NY, and received a BA from Lehigh University in 1952 where he was taught by Adolph Grünbaum. He undertook graduate studies in philosophy (1952–54) and … Continue reading W. W. Tait, 1929–2024