"German computer scientist" . . "1980Z"^^ . "1918Z"^^ . . "1980-05-25Z"^^ . "Klaus Samelson (December 21, 1918 \u2013 May 25, 1980) was a German mathematician, physicist, and computer pioneer in the area of programming language translation and push-pop stack algorithms for sequential formula translation on computers."@en . "Samelson, Klaus"@en . "1918-12-21Z"^^ . .