Josef Valčík is remembered for his participation in Operation Anthropoid in 1942, the assassination of a high-ranking German Nazi official who chaired what?
Josef Valčík: Josef Valčík (2 November 1914 – 18 June 1942) was a Czechoslovak military soldier and resistance fighter during the German occupation of Czechoslovakia. Josef Valčík:  He is remembered for his participation in Operation Anthropoid in 1942, the assassination of Reinhard Heydrich, German SS-Obergruppenführer and Deputy/Acting Reich-Protector of Bohemia and Moravia. Reinhard Heydrich: Reinhard Tristan Eugen Heydrich (] ) (7 March 1904 – 4 June 1942) was a high-ranking German Nazi official during World War II, and a main architect of the Holocaust. Reinhard Heydrich:  Heydrich served as president of the International Criminal Police Commission (ICPC; later known as Interpol) and chaired the January 1942 Wannsee Conference, which formalised plans for the Final Solution to the Jewish Question—the deportation and genocide of all Jews in German-occupied Europe.
January 1942 Wannsee Conference