Mordechai Gumpel HaLevi Schnaber (alias, Dr. George Levison). Maamar HaTorah VeHaChochmah [essay on law and the sciences]

The author was the grandson of his namesake, R. Gumpel Schnaber, the dayan of the tri-communities of Altona, Hamburg and Wandsbeck. He studied under the wing of Chief Rabbi David Frankel in Berlin and then left for England for a medical career where he was appointed physician to the Duke of Portland. He later served as a Professor of Medicine at the University of Uppsala, Sweden. The present work, which stressed the importance of studying the sciences, engendered controversy among the zealous. See Piccioto, Sketches of Anglo-Jewish History, p. 138; and Friedenwald, Jewish Luminaries in Medical History p. 95.