Image of Lejeune Dirichlet

Lejeune Dirichlet

died 162 years ago

5 May 1859

Lejeune Dirichlet is best known for his proof that in any arithmetic progression with first term coprime to the difference there are infinitely many primes.

Find out more at: https://mathshistory.st-andrews.ac.uk/Biographies/Dirichlet/