Peter Gustav Lejeune Dirichlet
= Peter Gustav Lejeune Dirichlet
{wiki=Peter_Gustav_Lejeune_Dirichlet}
Peter Gustav Lejeune Dirichlet (1805–1859) was a prominent German mathematician known for his foundational contributions to number theory, analysis, and differential equations. He made significant advances in various areas of mathematics, particularly in the development of Dirichlet series and Dirichlet's theorem on arithmetic progressions.