Jan Prüffer (1890– 1969) was a Polish biologist, a taxonomic authority in entomology.

[1][2] During the German occupation of Poland he gave lectures at the underground educational facilities.

[1] Dean of the Faculty of Mathematics and Natural Sciences of the Nicolaus Copernicus University in Toruń (1947–1947)[1] Officer of the Order of Polonia Restituta.

[1] In 1925 he married Maria Znamierowska-Prüfferowa, who became professor of ethnography.

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