# Mathematician:David Vernon Widder

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## Mathematician

American mathematician mainly working in analyis.

He was highly regarded for his teaching abilities.

The author of the textbook *Advanced Calculus*.

## Nationality

American

## History

- Born: March 25, 1898 in Harrisburg, Pennsylvania
- 1916: Graduated top of his high school class, entered Harvard University
- 1916-17: Became a student of Maxime Bôcher
- 1917: Started work as a computer at Aberdeen Proving Grounds
- 1918: Returned to Harvard
- 1920: Graduated magna cum laude, took up a Sheldon travelling fellowship, travelled to England, France and Italy
- 1921: Returned to Harvard
- 1923: Earned Master's Degree
- 1924: Earned Doctorate, under supervision of George David Birkhoff
- 1924: Started teaching as an associate at Bryn Mawr
- 1926: Won a National Research Council Fellowship to study at the Rice Institute in Houston and at the University of Chicago
- 1927: Back at Bryn Mawr
- 1929: Chairman of department
- 1931: Returned to Cambridge as assistant professor
- 1937: Promoted to professorship
- 1939: Married Vera Ames
- 1942-48: Chairman of mathematics department
- 1964-68: Director of the Program for High School Teachers of Science and Mathematics
- Died: July 8, 1990, Arlington, Massachusetts

## Publications

- 1941:
*The Laplace Transform*

- 1947:
*Advanced Calculus*

- 1955:
*The Convolution Transform*(with I. I. Hirschman) - 1975:
*The Heat Equation* - 1979:
*The Airy Transform*