LUSK, William Thompson, physician, born in Norwich, Connecticut, 23 May, 1838. He was for a time at. Yale, in 1858-'61 studied medicine in Heidelberg and Berlin, and on his return to the United States he served in the United States volunteer army in 1861-'3, and rose from the ranks to be assistant adjutant-general. He was graduated at Bellevue hospital medical college in 1864, afterward spent a year and a half in study in Edinburgh, Paris, Vienna, and Prague, and in 1865 began practice in New York. He was professor of physiology in Long Island college hospital from 1868 till 1871, in 1870-'1 lecturer on physiology in Harvard medical school, and became professor of obstetrics in Bellevue hospital medical college in 1871, and in the latter year editor of the "New York Medical Journal." He is a member of various British and American medical societies, has contributed to current professional literature, and is the author of "The Science and Art of Midwifery" (New York, 1881; enlarged ed., 1885), which has been translated into several European languages.