Aharon Katzir  Aharon Katzir (Aharon Katzir-Katchalsky) (September 15, 1914 – May 30, 1972) was an Israeli pioneer in the study of the electrochemistry of biopolymers. Born 1914 in Łódź, Poland, he moved to Palestine in 1925, where he taught at the Hebrew University in Jerusalem. There, he adopted his Hebrew surname "Katzir". He was a faculty member at the Weizmann Institute of Sciences, Rehovot, Israel as well as at the department of medical physics and biophysics at UC Berkeley, California. He was murdered in a terrorist attack at Ben Gurion International Airport in 1972 in which 26 people were killed and 80 injured. His younger brother, Ephraim Katzir, became the President of Israel in 1973.