Began practice in New York City, 1898, was with Ernest Flagg, Carrere & Hastings and Warren & Witmore, architects. Independent practice, 1900-1905. Member firm Bossange & Newton, 1905-1908.
Associate with Butler & Rodman, 1908-1910. Professor architecture Cornell Univercity, 1913-1915. Director and dean college of fine arts, 1915-1923, Carnegie Institute Technology.
Professor architecture and director School of Architecture, Princeton, 1923-1926. Department chairman of architecture, New York University, 1926-1930, dean college of fine arts, 1930-1935, dean school of architecture, 1935-1941, dean emeritus, 1941.