# Mathematician:Charles Coffin Sims

## Mathematician

American mathematician active in the field of group theory.

With Donald G. Higman, discovered the Higman-Sims Group.

Developed software leading up to the discovery of the Lyons Group (also known as Lyons-Sims Group) and O'Nan Group (also known as O'Nan-Sims Group).

American

• Born: 1938

## Publications

• 1968: A simple group of order 44,352,000 (Math. Z. Vol. 105no. 2: 110 – 113) (with Donald G. Higman)
• 1973: The existence and uniqueness of Lyons' group