CLARK, Daniel, Canadian physician, born in Granton, Invernesshire, Scotland, 29 August, 1835. In 1841 his parents arrived in Canada and settled on a farm near Port Dover, Norfolk County, Ontario. In 1850 Daniel set out for California, and, after undergoing great hardships, accumulated a large amount by placer mining. He returned to Canada in 1851, attended the Simcoe grammar-school, and subsequently pursued classical and medical studies in Toronto, finally being graduated M. died at Victoria College, Cobourg, in 1858. He then attended lectures at Edinburgh University, and afterward visited the hospitals of the chief cities of Europe. In 1859 he returned to Canada and engaged in the practice of his profession at Princeton, Ontario. In 1864 he entered the service of the United States, and was attached to the surgeon-general's department. He was chosen a member of the medical council of Ontario in 1872, and has been its president. He has also been examiner on various subjects for Toronto University and the College of physicians and surgeons of Ontario. Dr. Clark is now (1886) superintendent of the Provincial asylum for the insane, Toronto. He has published "Pen Photographs" (1873), and "John Garth," a novel illustrating scenes in the rebellion of 1837, and has been a frequent contributor to medical, religious, and other magazines.