David Ben-Gurion (About this sound pronunciation ; Hebrew: דָּוִד בֶּן-גּוּרִיּוֹן, born David Grün; (16 October 1886 – 1 December 1973) was the primary founder and the first Prime Minister of Israel.Ben-Gurion's passion for Zionism, which began early in life, led him to become a major Zionist leader and Executive Head of the World Zionist Organization in 1946. As head of the Jewish Agency, and later president of the Jewish Agency Executive, he became the de facto leader of the Jewish community in Palestine, and largely led its struggle for an independent Jewish state in Palestine. On 14 May 1948, he formally proclaimed the establishment of the State of Israel, and was the first to sign the Israeli Declaration of Independence, which he had helped to write. Ben-Gurion led Israel during the 1948 Arab–Israeli War, and united the various Jewish militias into the Israel Defense Forces (IDF). Subsequently, he became known as "Israel's founding father".Following the war, Ben-Gurion served as Israel's first Prime Minister. As Prime Minister, he helped build the state institutions, presiding over various national projects aimed at the development of the country. He also oversaw the absorption of vast numbers of Jews from all over the world. A centerpiece of his foreign policy was improving relationships with the West Germans. He worked very well with Konrad Adenauer's government in Bonn, and West Germany provided large sums (in the Reparations Agreement between Israel and West Germany) in compensation for Nazi Germany's persecution of the Jews during the Holocaust.In 1954, he resigned and served as Minister of Defense, before returning to office in 1955. Under his leadership, Israel responded aggressively to Arab guerrilla attacks, and in 1956, invaded Egypt along with British and French forces after Egypt nationalized the Suez Canal.He stepped down from office in 1963, and retired from political life in 1970. He then moved to Sde Boker, a kibbutz in the Negev desert, where he lived until his death. Posthumously, Ben-Gurion was named one of Time magazine's 100 Most Important People of the 20th century.