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**David Vernon Widder** (25 March 1898 – 8 July 1990) was an American mathematician. He earned his Ph.D. at Harvard University in 1924 under George Birkhoff and went on to join the faculty there.

David Widder | |
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Born | Harrisburg, Pennsylvania, US | 25 March 1898

Died | 8 July 1990 | (aged 92)

Nationality | American |

Alma mater | Harvard University |

Scientific career | |

Fields | Mathematics |

Institutions | Harvard University |

Doctoral advisor | George D. Birkhoff |

Doctoral students | R. Creighton Buck Ralph P. Boas, Jr. Solomon W. Golomb Deborah Tepper Haimo I. I. Hirschman Donald J. Newman Harry Pitt Harry Pollard |

He was a co-founder of the *Duke Mathematical Journal* and the author of the textbook *Advanced Calculus* (Prentice-Hall, 1947).^{[1]} He wrote also * The Laplace transform*^{[2]} (in which he gave a first solution to Landau's problem on the Dirichlet eta function),^{[3]} *An introduction to transform theory*,^{[4]} and * The convolution transform* (co-author with I. I. Hirschman).

**^**Stenger, Allen (September 16, 2015). "Review of*Advanced Calculus*by David V. Widder".*MAA Reviews, Mathematical Association of America*.**^**Stenger, Allen (July 19, 2011). "Review of*The Laplace Transform*by David Vernon Widder".*MAA Reviews, Mathematical Association of America*.**^**Widder, D.V. (2015).*Laplace Transform (PMS-6)*. Princeton Mathematical Series, No. 6. Princeton University Press. ISBN 978-1-4008-7645-7. (pbk reprint of 1941 1st edition)**^**Stenger, Allen (January 29, 2015). "Review of*An Introduction to Transform Theory*by David V. Widder".*MAA Reviews, Mathematical Association of America*.

*A Century of Mathematics in America*by Peter L. Duren and Richard Askey, American Mathematical Society, 1988, ISBN 0-8218-0130-9.*A History of the Second Fifty Years, American Mathematical Society 1939-1988*By Everett Pitcher, American Mathematical Society, 1988, ISBN 0-8218-0125-2.

- David Widder at the Mathematics Genealogy Project