Johann Andreas Segner, German mathematician, physicist, and physician (d. 1777)
Johann Segner (Hungarian: János András Segner, German: Johann Andreas von Segner, Slovak: Ján Andrej Segner, Latin: Iohannes Andreas de Segner; October 9, 1704 – October 5, 1777) was a Hungarian scientist. He was born in the Kingdom of Hungary, in the former Hungarian capital city of Pozsony (today Bratislava).