(b. 1916)
The brother of Aharon Katzir, he went to Palestine as a child. He graduated from the Hebrew University and from 1951 was professor and head of the biophysics department at the Weizmann Institute of Science. He received the Israel Prize, the Rothschild Prize, and the Linderstrom-Lang gold medal. In 1966 he was the first Israeli elected to the United States National Academy of Sciences. In 1973 he became President of Israel.
Dictionary of Jewish Biography. Dan Cohn-Sherbok.