Mathematician:Peter Ludwig Mejdell Sylow

Mathematician
Ludwig Sylow was a Norwegian mathematician who established some important facts on the topic of subgroups of prime order.

After retiring from a career of schoolteaching he was appointed to a position as a University professor at the age of $65$. His name is pronounced something like Soolof.

Nationality
Norwegian

History

 * Born: 12 December 1832, Christiania (now Oslo), Norway
 * 1898: Appointed professor at Christiania University, where had created a special chair for him
 * Died: 7 September 1918, Christiania (now Oslo), Norway

Theorems

 * The Sylow Theorems
 * Sylow $p$-Subgroup