Hale Trotter

Hale Trotter
Trotter in 1978
Born(1931-05-30)30 May 1931
Kingston, Ontario, Canada
Died17 January 2022(2022-01-17) (aged 90)
Princeton, New Jersey, United States
NationalityAmerican
Alma materQueen's University at Kingston
Princeton University
Known forLie–Trotter product formula
Steinhaus–Johnson–Trotter algorithm
Lang–Trotter conjecture
Scientific career
FieldsMathematics
InstitutionsPrinceton University
Doctoral advisorWilliam Feller

Hale Freeman Trotter (30 May 1931 – 17 January 2022) was a Canadian-American mathematician, known for the Lie–Trotter product formula, the Steinhaus–Johnson–Trotter algorithm, and the Lang–Trotter conjecture. He was born in Kingston, Ontario. He died in Princeton, New Jersey on January 17, 2022.