# Mathematician:Arthur Sard

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American mathematician, famous for his work in differential topology and in spline interpolation.

## Nationality

American

## History

- Born: 28 July 1909, New York City
- Died: 31 August 1980, Basel

## Theorems and Definitions

- Morse-Sard Theorem (with Anthony Perry Morse) (also known as Sard's Theorem or Sard's Lemma)

Results named for **Arthur Sard** can be found here.

## Books and Papers

- 1963:
*Linear approximation*(2nd ed.)