888634 Portrait of Gabriel Lippmann (b/w photo) by Pirou, Eugene (fl.1884-1925); Archives Larousse, Paris, France; (add.info.: Jonas Ferdinand Gabriel Lippmann (1845-1921) was a Franco-Luxembourgish physicist and inventor, and Nobel laureate in physics for his method of reproducing colours photographically based on the phenomenon of interference. Portrait de Gabriel Lippman (1845-1921), physicien francais. ); French, out of copyright.