Tobias Cohn or Tobias Kohn (in Hebrew, Toviyyah ben Moshe ha-Kohen, Tuvia Harofeh – Tuvia the doctor; in Polish, Tobiasz Kohn) (also referred to as Toviyah Kats) (1652–1729) was a Polish-Jewish physician of the seventeenth and eighteenth centuries. He was born at Metz in 1652. Source: Wikipedia (en)