Nobel Prize-winning Hungarian-Swedish chemist George de Hevesy is best remembered for his research on isotopic tracer techniques to study animal metabolism. He is also credited with co-discovering the element hafnium with physicist Dirk Coster. He fled the Nazi regime and moved first to Denmark and then to Sweden.
John Charles Polanyi is a Hungarian-Canadian scientist, who won the Noble Prize in Chemistry for his contribution to the dynamics of chemical reaction. He developed a technique called infrared chemiluminescence, which helped him to study the exchange of chemical bonds and detail how the excess energy is removed during chemical reactions.
Nobel Prize-winning Hungarian-American chemist George A. Olah, part of the scientists’ group The Martians, is best remembered for his pioneering research on carbocations. He moved to Canada during the revolution of 1956, after which he moved to Massachusetts and to Ohio in the U.S., eventually settling in Los Angeles.
Born to Jewish teacher parents in Hungary, Avram Hershko spent a few years in a concentration camp during World War II. He and his family managed to escape and settled in Israel, where he became a renowned chemist, later winning the Nobel Prize for discovering how cells remove unwanted proteins.
Richard Adolf Zsigmondy was an Austrian-born chemist. He is best remembered for winning the 1925 Nobel Prize in Chemistry for his research in colloids. Richard Adolf Zsigmondy is also credited with co-inventing the slit-ultramicroscope.