German physician; born at Schwerin-on-the-Warta, province of Posen, Prussia, May 25, 1859. He was educated at the universities of Berlin and Leipsic, from which latter place he was graduated as doctor of medicine in 1883. The same year he settled as a physician in Berlin, being assistant to Baginsky until 1890, when he opened a hospital for children. Cassel has contributed many essays to the "Archiv für Kinderkrankheiten" "Berliner Klinische Wochenschrift," "Deutsche Medizinische Wochenschrift," "Therapeutische Monatshefte," "Allgemeine Medizinische Centralzeitung," etc. Especially noteworthy is his "Ueber die Untersuchung Geistig Minderwerthiger Schulkinder," Berlin, 1901.
- Pagel, Biographisches Lexikon, s.v., Vienna, 1901.