Jan Szczepanik, a genius from Galicia

Teacher and inventor Jan Szczepanik is also known, in what is perhaps a slight exaggeration, as the “Polish Edison” or the “Galician Leonardo da Vinci”. Although he was self-taught and had no technical background, he created several hundred inventions and technical solutions that contributed to the development of television, photography, film and the textile industry.

More: https://polishhistory.pl/jan-szczepanik-a-genius-from-galicia/