About Yitzhak Shamir:
Yitzhak Shamir was an Israeli politician and the seventh Prime Minister of Israel, serving two terms, 1983–84 and 1986–1992. Before the establishment of the State of Israel, Shamir was a leader of the Zionist paramilitary group Lehi. After the establishment of the State of Israel he served in the Mossad between 1955 and 1965, a Knesset Member, a Knesset Speaker and a Foreign Affairs Minister. Shamir was the country's third longest-serving prime minister after David Ben-Gurion and Benjamin Netanyahu.