Came to the United States, 1848. Entered partnership with architect Henry Marcotte, New York City, 1848. Designed many elaborate residences, New York City.
Designed sugar refineries for Matthiesen & Weichus, Jersey City, New Jersey, 1862, New Jersey Sugar Refining Company, 1867, Suydam Hall (1871) and Sage Library (1873) for Theological Seminary, New Brunswick, New Jersey. Other wdrks include many office buildings, New York City, some stores, a few model tenement houses.