|4th President of Israel|
24 May 1973 – 24 May 1978
|Prime Minister||Golda Meir
|Preceded by||Zalman Shazar|
|Succeeded by||Yitzhak Navon|
16 May 1916|
Kiev, Russian Empire
|Died||30 May 2009
|Political party||Israeli Labor Party|
Katzir was born Efraim Katchalski, son of Yehuda and Tzila Katchalski, in Kiev, in the Russian Empire. In 1925 (several publications cite 1922), he immigrated to Mandate Palestine with his family and settled in Jerusalem. In 1932, he graduated from Gymnasia Rehavia. Like his brother, Aharon, he was interested in science. He studied botany, zoology, chemistry and bacteriology at the Hebrew University of Jerusalem. In 1938, he received an M.Sc, and in 1941, he received a PhD degree. In 1939, he graduated from the first Haganah officers course, and became commander of the student unit in the field forces ('Hish). He and his brother worked on development of new explosives. In May, 1948, Ephraim was appointed commander of the "Heyl Mada" (HEMED) – scientific research and development corps. His brother, Aharon Katzir, chairman of the Department of Polymer Research at Weizmann Institute, was murdered in the Lod Airport Massacre.
Katzir was married to Nina (née Gottlieb), born in Poland, who died in 1986. As an English teacher, Nina developed a unique method for teaching language. As the president's wife, she introduced the custom of inviting children books' authors and their young readers to the President's Residence. She established the Nurit Katzir Jerusalem Theater Center in 1978 in memory of their deceased daughter, Nurit, who died after inhaling gas and another daughter, Irit, killed herself. They had a son, Meir, and three grandchildren. Katzir died on 30 May 2009 at his home in Rehovot.
After continuing his studies at the Polytechnic Institute of Brooklyn, Columbia University and Harvard University, he returned to Israel and became head of the Department of Biophysics at the Weizmann Institute of Science in Rehovot, an institution he helped to found. In 1966–1968, Katzir was Chief Scientist of the Israel Defense Forces. His initial research centered on simple synthetic protein models, but he also developed a method for binding enzymes, which helped lay the groundwork for what is now called enzyme engineering.
On 10 March 1973, Katzir was elected by the Knesset to serve as the fourth President of Israel. He received 66 votes to 41 cast in favour of his opponent Ephraim Urbach and he assumed office on 24 May 1973.
In November 1977, he hosted President Anwar Sadat of Egypt in the first ever official visit of an Arab head of state. In 1978, he declined to stand for a second term due to his wife's illness, and was succeeded by Yitzhak Navon. After stepping down as President, he returned to his scientific work.
Awards and commemoration
- In 1959, Katzir was awarded the Israel Prize in life sciences.
- In 1977, he was elected a Foreign Member of the Royal Society.
- In 1985, he was awarded the Japan Prize.
- In 2000, the Rashi Foundation established the Katzir Scholarship Program in honor of Katzir, one of the first members of its board of directors.
- He is also a recipient of the Tchernichovsky Prize for exemplary translation.
- KUnderground group's explosives maker who became president. Theage.com.au. Retrieved on 9 September 2011.
- "Israel's fourth president, Ephraim Katzir, dies". The Times of India Bennett Coleman & Co. Ltd. 31 May 2009. Retrieved 31 May 2009.
- Katzir bio. Zionism-israel.com. Retrieved on 9 September 2011.
- Nurit Katzir Jerusalem Theater Center. Jerusalem.muni.il. Retrieved on 9 September 2011.
- Israel's fourth president Ephraim Katzir dies at 93 Haaretz, 31 May 2009
- "Israel Prize recipients in 1959 (in Hebrew)". Israel Prize Official Site. Archived from the original on 17 February 2010.
- Katzir Scholarship Program at the Wayback Machine (archived October 23, 2009)[dead link]
-  My Contributions to Science and Society, Ephraim Katchalski-Katzir
- Ephraim Katzir Israel Ministry of Foreign Affairs
-  PM Netanyahu eulogizes former President Ephraim Katzir
-  Ephraim Katzir (Katchelsky) (1916–2009)
- Ehud Gazit, A vision of a scientific superpower, Ha'aretz, 8 June 2009
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