BUTLER, HENRY MONTAGU (1833-1918), English educationist, head master of Harrow School (1859-85), and master of Trinity college, Cambridge (1886-1918), was born at Gayton, Northants, on July 2, 1833, the son of Dr. GEORGE BUTLER, dean of Peterborough, who had been head master of Harrow (1805-29). His elder brother was GEORGE BUTLER (1819-9o), canon of Winchester, whose wife, Josephine, is sepa rately mentioned. H. M. Butler was educated at Harrow and Trinity college, Cambridge. He became President of the Union and Senior Classic in 1855, and in 1856 was appointed private secretary to W. F. Cowper, afterwards Lord Mount Temple. He was also secretary to the commission for rebuilding the National Gallery. He became head master of Harrow in 1859, and made many important changes in the school, notably by giv ing science a formal place in the curriculum, but although he insisted on efficient "modern" teaching, his rule at Harrow is principally associated with the development of the traditions of the school, and by the added importance given to music. In 1885 he became dean of Gloucester, and though his master ship at Harrow terminated, he continued to take an interest in the school, and in 19o1 was elected a governor. He became mas ter of Trinity college, Cambridge in 1886, and was vice-chan cellor of Cambridge University in the years 1889-90. Under Butler, Trinity college became a centre for many outside activi ties, and its head formed a link between religious bodies of differ ent kinds. Butler began the annual reunions of Trinity men. His first wife, Georgina Elliot, had died in 1883, and he married in 1888 Agnata Frances, daughter of Sir James Ramsay of Bamff, the historian. Mrs. Butler had been placed by the examiners above the Senior Classic at Cambridge in 1887. Butler died at Cambridge on Jan. 14, 1 g 18.