William Kahan
Canadian mathematician and computer scientist
William "Velvel" Morton Kahan is a Canadian mathematician and computer scientist, who received the Turing Award in 1989 for "his fundamental contributions to numerical analysis",
was named an ACM Fellow in 1994, and inducted into the National... Wikipedia
Born: 1933 (age 90 years), Toronto, Canada
Notable students: James Demmel and Scott B. Baden
Awards: Turing Award and IEEE Emanuel R. Piore Award