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József Jelitai was a well-known scholar of science history, as well as an invited university professor between the World Wars. He was an exceptional researcher of primary sources and his oeuvre is of lasting significance. Among Jelitai's numerous topics of research are the mathematician and philosopher Pál Sipos, the life and works of Farkas and János Bolyai, and astronomer Károly Nagy, and Hungarian ties of C. F. Gauss Kulcsszavak: matematikatörténet, csillagászattörténet, Csernák László, Sipos Pál, Bolyai Farkas, Bolyai János, C. F. Gauss, Nagy Károly

Jelitai Woyciechowsky József (1889–1944) matematika- és csillagászattörténész emlékezete születésének 130. évfordulóján