after 1933, probably in Israel) was an Austrian physicist and the founder of the first official Salvation Army corps in Vienna.
She received her doctorate in physics from the University of Vienna in 1906 and was widely thought to be the first Austrian woman to do so, although she was in fact the second.
There is no record of Freud pursuing physics research beyond her dissertation.
Instead, having been raised Protestant in a largely Catholic country, Freud trained with the Salvation Army in London in the early 1920s and in 1926 founded the first Austrian chapter of the Heilsarmee (the Army's German name) in Vienna in the face of local opposition there.