Edgar Rubin
Danish psychologist
Edgar John Rubin was a Danish psychologist/phenomenologist, remembered for his work on figure-ground perception as seen in such optical illusions like the Rubin vase.
Born to Jewish parents, Rubin was born and raised in Copenhagen. Wikipedia
Born: September 6, 1886, Copenhagen, Denmark
Died: May 3, 1951 (age 64 years), Holte, Denmark
Children: Anne Marie Rubin