Tanzan Ishibashi
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![Ishibashi's cabinet (Ishibashi is in the centre, with Nobusuke Kishi to his left, as his Minister for Foreign Affairs, and to his right Hayato Ikeda as his Minister of Finance).](/Images/godic/202501/21/Ishibashi_cabinet0228.jpg")
Tanzan Ishibashi(石橋 湛山Ishibashi Tanzan, 25 September 1884 – 25 April 1973) was a Japanese journalist and politician. Being a member of Nichiren-shū the name Tanzan is a religious name as his profane name was Seizō (省三). He was the 55th Prime Minister of Japan from 23 December 1956 to 25 February 1957. During the same time he was the 2nd president of the Liberal Democratic Party, the majority party in the Diet. From 1952 to 1968 he was also the president of Rissho University.