Mr. Blackman has been a professor of dairy science extension at Ohio State since 1925. For Dearly four decades he taught better dairying to Ohio farmers and 4-H club members. He served as secretary of the Ohio Dairymen's) Association from 1958 to 1962 and helped set the stage 36 years ago for the Ohio Dairy Day program held annually at the experiment station.Bora on Peaks Island off the coast of Maine, Mr. Blackman's father was a market gardener who also kept a half dozen cows. .After grade school in the island, Mr. Blackman attended high schooJ by commuting daily to the mainland by ferry. He entered the Umversity of Maine in 1912, earning his bachelor’s degree from that institution four years later He received his master's from Iowa State in 1917.During his long career, he has held many positions of responsibility in the dairy industry — asi assistant emergency demonstra-|lion agent in Maine, field secretary of the New England Holstein -Friesian Association and farm manager in Davidson, Me. Hej became extension dairy specialist at Ohio State in 1925.Mr. Blackman took time out rom his extension duties at Ohio State to assist the USDA in Colombia. South America, in 1947-48. In 1951 he returned to Colombia as a visiting professor to teach better dairy practices. He also served on Ohio State University's team in India from 1955to 1957.