Johann Peter Gustav Lejeune Dirichlet was a German mathematician. In number theory, he proved special cases of Fermat's Last Theorem and created analytic number theory. In analysis, he advanced the theory of Fourier series and was one of the first to give the modern formal definition of a function. In mathematical physics, he studied potential theory, boundary-value problems, heat diffusion, and hydrodynamics.
Peter Gustav Lejeune Dirichlet, German mathematician and academic (born 1805)
On May 5, in the year 1859, Peter Gustav Lejeune Dirichlet, German mathematician and academic (born 1805). This event is recorded as a Notable Deaths event in the history of May 5, one of 343 recorded events on this date across all of history.
1 notable person is associated with this event, including Peter Gustav Lejeune Dirichlet. Learn more below.
Key Facts
- This event took place on May 5, 1859 (AD era).
- It is categorised as a Notable Deaths event in recorded history.
- Referenced in 1 Wikipedia article.
- 1 notable person is recorded as involved in or associated with this event.
- Wikipedia source last updated on 13 April 2026.
On This Date in History 343
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