1918- . Japanese right-wing politician, leader of the dominant Liberal Democratic Party (LDP) and prime minister 1972-74. In 1976 he was charged with corruption and resigned from the LDP but remained a powerful faction leader. In the Diet from 1947, Tanaka was minister of finance 1962-65 and of international trade and industry 1971-72, before becoming LDP leader. In 1974 he had to resign the premiership because of allegations of corruption and 1976 he was arrested for accepting bribes from the Lockheed Corporation while premier. He was found guilty in 1983, but remained in the Diet as an independent deputy pending appeal. He was also implicated in the 1988-89 Recruit scandal of insider trading.