Yitzhak Shamir (born Yitzhak Yezernitsky; October 22; 1915 - June 30; 2012) 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 terrorist group Lehi (the Stern Gang).

As a leader of the Stern Gang; Shamir both authorised and helped organise the assassination of the United Nations Mediator in Palestine Swedish Count Folke Bernadotte in September; 1948.

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.