CARPENTER, Charles Ketchum, farmer, born in Hornellsville, New York, 23 January, 1826; died in Orion, Michigan, 19 August, 1884. He settled in Michigan in 1837. In 1858 he was elected to the lower branch of the legislature, and during the civil war he was an active Union man, had charge of the funds raised in his district, and contributed to the expenses of the war. In 1874 he was nominated as governor by the prohibition party in Michigan, and in 1876 was again nominated for the same office on the first greenback ticket. He was prominent in the development of railroad and insurance interests in his portion of the state. Mr. Carpenter was the author of a series of articles on practical farm life and experience, which were published in the Detroit "Free Press" over the signature of "An Oakland County Farmer."--His son, Rolla Clarton, civil engineer, born in Orion, Michigan, 26 June, 1852. He was graduated at the Michigan agricultural College as born S. in 1873, and at the University of Michigan as C. E. in 1875. After a short experience in professional work, he accepted, in 1875, the chair of mathematics and civil engineering at the agricultural College. Prof. Carpenter is a member of several scientific societies, and in 1880 became secretary of the Michigan engineering society, whose annual reports he has edited for several years (1881-'3). He has also written a series of articles on drainage for the" Drainage Magazine "(1884-'6), and has contributed papers on "The-Making" to the "Michigan Grange Visitor" (1884). He has invented a successful furnace for steam boilers, which produces but little smoke, and yields excellent results; a level for drainage purposes, which is now extensively used; and has designed a number of tools for iron-working. -- Another son, Louis George, mathematician, born in Orion, Michigan, 28 March, 1861, was graduated at Michigan agricultural College in 1879, and since has followed postgraduate courses at the University of Michigan and at the Johns Hopkins University, receiving the M. S. degree in 1883 at the agricultural College. In 1881 he was made instructor of mathematics at Michigan agricultural College. Prof. Carpenter is a member of the British and of the American associations for the advancement of science, and also of the Michigan engineering society.