Reuven Kalisher, resident of

Zhytomir Zhytomyr ( ; see #Names, below for other names) is a city in the north of the western half of Ukraine. It is the Capital city, administrative center of Zhytomyr Oblast (Oblast, province), as well as the administrative center of the surrounding ...

, was a

Jewish Jews (, , ), or the Jewish people, are an ethnoreligious group and nation, originating from the Israelites of History of ancient Israel and Judah, ancient Israel and Judah. They also traditionally adhere to Judaism. Jewish ethnicity, rel ...

doctor and

Hebrew Hebrew (; ''ʿÎbrit'') is a Northwest Semitic languages, Northwest Semitic language within the Afroasiatic languages, Afroasiatic language family. A regional dialect of the Canaanite languages, it was natively spoken by the Israelites and ...

-language literist.

Vitiligo and Tzaraath

Kalisher maintained the view that the

Torah The Torah ( , "Instruction", "Teaching" or "Law") is the compilation of the first five books of the Hebrew Bible, namely the books of Genesis, Exodus, Leviticus, Numbers and Deuteronomy. The Torah is also known as the Pentateuch () ...

mentioned

Tzaraath ''Tzaraath'' (Hebrew language, Hebrew: ''ṣāraʿaṯ''), #Name, variously transcribed into English and frequently translated as leprosy (though it is not Hansen's disease, the disease known as "leprosy" in modern times), is a term used in the ...

is not

Leprosy Leprosy, also known as Hansen's disease (HD), is a Chronic condition, long-term infection by the bacteria ''Mycobacterium leprae'' or ''Mycobacterium lepromatosis''. Infection can lead to damage of the Peripheral nervous system, nerves, respir ...

but in fact

Vitiligo Vitiligo (, ) is a chronic autoimmune disorder that causes patches of skin to lose pigment or color. The cause of vitiligo is unknown, but it may be related to immune system changes, genetic factors, stress, or sun exposure, and susceptibili ...

, Yehuda L. Katzenelson quotes Kalisher's view in his work on medicinal talmudic work (הרפואה וחכמת התלמוד berlin, 1928).

Literary works

Natural works and medicine (Hebrew)
Warsaw, 1862. 19th-century physicians from the Russian Empire 19th-century Jews from the Russian Empire {{jewish-bio-stub