Yaroslav Halan
Yaroslav Oleksandrovych Halan (Ukrainian: Ярослав Олександрович Галан, party nickname Comrade Yaga; 27 July 1902 – 24 October 1949) was a Soviet Ukrainian anti-fascist writer, playwright, publicist, member of the Communist Party of Western Ukraine since 1924, killed by nationalist insurgents in 1949.