HAY, Walter, physician, born in Georgetown, D. C., 13 June, 1830. He was educated in private schools and in the Jesuit college of his native place. In 1847 he entered the employ of the United States coast survey, but resigned in 1852, studied medicine, and was graduated at Columbian college in 1853. After spending four years in Charleston and Florida, he removed in 1857 to Chicago, Illinois He organized St. Luke's hospital in that city in 1864, became editor of the Chicago " Medical Journal" in 1867, and retained this connection until the sale of the paper in 1875. In 1867 he assisted in organizing the health department of the city of Chicago. In 1871 he was one of the committee of five to receive and distribute the fire relief fund. In the same year he organized the department of mental and nervous diseases in Rush medical college, Chicago, and in 1872 was appointed adjunct professor of the theory and practice of medicine in that institution. He assisted in organizing the American neurological association in 1875, and in 1877 removed to Dubuque, Iowa. He is a frequent contributor to the Chicago "Medical Journal."