There are 7 mathematicians whose last name begin with FIF.

Fife, Daniel The University of Chicago 1968
Fife, Earl Wesleyan University 1976
Fife, James Yale University 1982
Fife, Paul New York University 1959
Fife, Tara Louisiana State University 2020
Fifer, Stanley New York University 1950
Fifić, Mario Indiana University 2006