About Eisaku Satō
Eisaku Satō (佐藤 栄作, Satō Eisaku; 27 March 1901 – 3 June 1975) was a Japanese politician who served as prime minister of Japan from 1964 to 1972. He was the third longest-serving and longest-uninterrupted–serving Japanese prime minister. Satō is best remembered for securing the return of Okinawa in 1972, and for winning the Nobel Peace Prize in 1974, which stirred controversy. He was a former elite bureaucrat like his elder brother Nobusuke Kishi and a member of the Yoshida school like Hayato Ikeda. Like his predecessor, he also supported Keynesian economic policies. Born in Yamaguchi Prefecture, Satō was a member of the Satō–Kishi–Abe family and the younger brother of prime minister Nobusuke Kishi. Satō graduated from Tokyo Imperial University in 1924 and joined the Ministry of Railways. After the war, he entered the National Diet in 1949 as a member of the Liberal Party, and served in a series of cabinet positions under Shigeru Yoshida, including posts and telecommunications minister from 1951 to 1952, construction minister from 1952 to 1953, and chief cabinet secretary from 1953 to 1954. Satō later joined the Liberal Democratic Party and became finance minister from 1958 to 1960 under Nobusuke Kishi and international trade and industry minister from 1961 to 1962 under Hayato Ikeda. In 1964, Satō succeeded Ikeda as LDP president and prime minister. He had the support of Japanese business and finance, and presided over a period of rapid economic growth. In foreign policy, he oversaw the normalization of diplomatic relations with South Korea and maintained close relations with the United States, allowing the U.S.–Japan Security Treaty to renew in 1970 and arranging for the return of Okinawa to Japan in 1972. In 1967, Satō introduced the "Three Non-Nuclear Principles" (the non-production, non-possession, and non-introduction of nuclear weapons), and in 1968 signed the Nuclear Non-Proliferation Treaty, for which he won the Nobel Peace Prize. However, it was later revealed that Satō had made secret agreements with the U.S. to allow violations of the principles. Facing mounting economic problems and falling approval ratings in the early 1970s, Satō resigned in 1972 and was succeeded as prime minister by Kakuei Tanaka, quickly losing his political influence when his protégé Takeo Fukuda did not succeed him.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.