Influential professor known for his pioneering work in the fields of statistics and mathematics. He taught at Ohio State University from 1946 to 1964 and the University of Arizona from 1971 to 1975.
He earned his PhD from the University of Vienna before moving to New York in the late 30's.
He received the 1946 Cole Prize for his proof of the Schnirelmann-Landau conjecture.
He was born into a Jewish family.
He and University of Toronto professor Nancy Reid are both notable statisticians.