The Stanford chemist Carl Djerassi swore that he had seen the face in Vienna after the Anschluss, with the caption “Tod den Juden” (“Kill the Jews”). Djerassi'

The Stanford chemist Carl Djerassi swore that he had seen the face in Vienna after the Anschluss, with the caption “Tod den Juden” (“Kill the Jews”). Djerassi's essay is quite interesting [PDF]: http://www.garfield.library.upenn.edu/essays/v12p162y1989.pdf http://www.garfield.library.upenn.edu/essays/v12p162y1989.pd... EDIT: fixed link.