An ancient cathedral in West Pomerania and the invention of an early condenser

On 11 October 2013 the 10th EPS Historic Site was inaugurated in Kamień Pomorski in Poland to commemorate the invention of the “Kleistian jar”, more commonly known as the “Leyden jar”.

Ewald Georg von Kleist (10 June 1700 – 11 December 1748) was a German jurist, Lutheran cleric, and physicist. He studied jurisprudence at the University of Leipzig and the University of Leyden. From 1722 to 1745 he was Dean of the Cathedral at Kammin in the Kingdom of Prussia (now Kamień Pomorski in Poland). On 11 October 1745 he invented…