Johann Peter Gustav Lejeune Dirichlet (1805 - 1859)

* 13 February 1805, † 5 May 1859

Johann Peter Gustav Lejeune Dirichlet was born on 13 February 1805 in Düren, French Empire (now Germany). Lejeune Dirichlet is best known for his proof that in any arithmetic progression with first term co-prime to the difference there are infinitely many primes. Johann Peter Gustav Lejeune Dirichlet died on 5 May 1859 in Göttingen, Hanover (now Germany).