John Tate

John Torrence Tate Jr. (March 13, 1925 – October 16, 2019) was an American mathematician. He was known for his works in algebraic number theory, arithmetic geometry and related areas in algebraic geometry. He was a professor emeritus at Harvard University. He was awarded the Abel Prize in 2010.
Tate was described as "one of the seminal mathematicians for the past half-century" by William Beckner, Chairman of the Department of Mathematics at the University of Texas.
Tate died at his home in Lexington, Massachusetts on October 16, 2019 at the age of 94.