ROWLAND, HENRY AUGUST US

(1848-1901), Amer. physicist; prof. at Baltimore; made_ diffraction grating; pocined mechanical equivalent of eat. 1874), Amer. author; b. in New York ity. Educated at private schools, Williams, and Yale edical School. Able seaman on U.S. auxiliary cruiser ‘Yankee’ in Spanish American War, acting a istant-surgeon Philadelphia Camp, 1899-1900; Physician at Ver ment on and Accolay, France, 1914-15. Director local military auxiliary hospital, 1916; allied propaganda work in United States, 1917; war correspondent for Collier’s, and special agent intelligence department, France, 1918. Publications include Sea Scamps; Acro Europe in a Motor Boat, 1908: Pearl Island, 1919; Duds, 1919; The Peddler, 1920; Mile High, 1921; Return of Frank Clamart, 1923. 1827), Eng. caricaturist; pictures ot broadly humorous character, depicting lower orders, (¢.g.) famous Vauxhall drawing.