# Mathematician:Howard E. Sturgis

## Mathematician

American mathematician and computer scientist.

Co-designer (with John C. Shepherdson) of the Unlimited Register Machine, a refinement of the Turing machine.

## Nationality

American

## History

- Born: 1936
- Died: 1990

## Theorems and Definitions

## Publications

- 1963:
*Computability of Recursive Functions*(*J. ACM***Vol. 10**,*no. 2*: 217 – 255) (with J.C. Shepherdson)