About Philip Hartman
Lived 1915 – 2015 (aged 100). Philip Hartman was an American mathematician and university teacher, known for Hartman–Grobman theorem.
Philip Hartman (May 16, 1915 – August 28, 2015) was an American mathematician at Johns Hopkins University working on differential equations who introduced the Hartman–Grobman theorem. He served as Chairman of the Mathematics Department at Johns Hopkins for several years. He has an Erdös number of 2.
His book gives a necessary and sufficient condition for solutions of ordinary initial value problems to be unique and to depend on a class C1 manner on the initial conditions for solutions.
He died in August 2015 at the age of 100.
The Hartman–Watson distribution is named after him and Geoffrey S. Watson. Publications
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Frequently asked questions
Who was Philip Hartman?
American mathematician (1915-2015)
When was Philip Hartman born?
Philip Hartman was born on 16 May 1915 in Baltimore.
When did Philip Hartman die?
Philip Hartman died on 28 August 2015.
What was Philip Hartman's occupation?
Philip Hartman was a mathematician and university teacher.
What was Philip Hartman known for?
Philip Hartman was known for Hartman–Grobman theorem.
What nationality was Philip Hartman?
Philip Hartman was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Philip Hartman. https://biography.guide/philip-hartman/
MLA: "Philip Hartman." Biography.guide, https://biography.guide/philip-hartman/.
Chicago: "Philip Hartman." Biography.guide. https://biography.guide/philip-hartman/.
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