Polish Chemical Society
The Polish Chemical Society (Polish: Polskie Towarzystwo Chemiczne, PTCHem) is a professional learned society of Polish chemists founded in 1919 to represent the interests of Polish chemists on the local, national and international levels. == History == The society was founded of 118 Charter Members on 29 June 1919 on the initiative of Leon Marchlewski, Stanisław Bądzyński and Ignacy Mościcki, future President of Poland who was a chemist himself.