an Entity references as follows:
Siegfried Flügge (16 March 1912, in Dresden – 15 December 1997, in Hinterzarten) was a German theoretical physicist who made contributions to nuclear physics and the theoretical basis for nuclear weapons. He worked on the German nuclear energy project. From 1941 onward he was a lecturer at several German universities, and from 1956 to 1984, editor of the 54-volume, prestigious Handbuch der Physik.