Harmen Klaas Post (1907-1995) was a student of the Artibus Academy in Utrecht and of Mar.W.C. Diemel. Lived and worked in Heerenveen, The Hague, and Utrecht. Painted landscape and figure in a somewhat expressionistic style. From 1949 also taught at the Academy for B.K. Artibus in Utrecht. i.a. to P.J. van Oostveen, Karel Sirag and Harry van der Wee.