Siméon Denis Poisson
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Baron Siméon Denis Poisson was a French mathematician and physicist who worked on statistics, complex analysis, partial differential equations, the calculus of variations, analytical mechanics, electr
Siméon Denis Poisson
The name of Poisson (first from the right) inscribed on the Eiffel Tower
Poisson's 1804 portrait by E. Marcellot, now in the collection of the École Polytechnique.
Poisson's equations for electricity (top) and magnetism (bottom) in SI units on the front cover of an undergraduate textbook.
Joseph-Louis Lagrange
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Joseph-Louis Lagrange, also reported as Giuseppe Luigi Lagrange or Lagrangia, was an Italian and naturalized French mathematician, physicist and astronomer. He made significant contributions to the fi
Siméon Denis Poisson
…Recueil des savants étrangers, an unprecedented honor for an eighteen-year-old. This success at once gave Poisson admittance into scientific circles. Joseph-Louis Lagrange, whose lectures on the theory of functions he attended at the École Polytechnique, recognized his talent early on and became his friend. Meanwhile…
Lagrange crop
Portrait of Joseph-Louis Lagrange (18th-century)
Lagrange's tomb in the crypt of the Panthéon
Joseph-Louis Lagrange