Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Maintained the view that the Torah mentioned Tzaraath is not Leprosy but in fact Vitiligo
Reuven Kalisher, resident of Zhytomir, was a Jewish doctor and Hebrew-language literist.
Vitiligo and Tzaraath
Kalisher maintained the view that the Torah mentioned Tzaraath is not Leprosy but in fact Vitiligo, Yehuda L. Katzenelson quotes Kalisher's view in his work on medicinal talmudic work (הרפואה וחכמת התלמוד berlin, 1928).