Kārlis Rūdolfs Leonīds Blaumanis (1 January 1863 – 4 September 1908) was a Latvian writer, journalist and playwright. He is a renowned writer in Latvian history and a master of realism. The building of a flat in Riga that he once lived in has been converted to a memorial museum named partially in his honor, the Janis Rozentāls and Rūdolfs Blaumanis museum. Source: Wikipedia (en)