(Prieto y Tuero). Born Apr. 30, 1883, in Oviedo; died Feb. 12, 1962, in Mexico City. Spanish political leader. Socialist.
In 1918, Prieto was elected deputy to the cortes as a member of the Spanish Socialist Workers’ Party. From 1923 to 1930 he opposed his party’s collaboration with the dictatorship of Primo de Rivera. He attended the San Sebastian Conference of republican parties on Aug. 17, 1930, and was made a member of the Revolutionary Committee, which was formed at that conference.
After the establishment of the republic in 1931, Prieto served as minister of finance from April to December 1931 and as minister of public works from December 1931 to September 1933. He led the centrist faction of the Spanish Socialist Workers’ Party. During the National Revolutionary War of 1936–39 he served as minister of marine and air (September 1936 to May 1937) and minister of war (May 1937 to April 1938). After the defeat of the republic, Prieto emigrated and was president of the Spanish Socialist Workers’ Party in emigration until November 1950.