Isaac E. Ditmars, FAIA, was a Canadian-American architect and founding associate of William Schickel & Company, and directed that company as Schickel & Ditmars from 1907 into the 1920s. He joined the American Institute of Architects in 1895 and became a fellow that year.[1]
In 1913, he designed a six-story brick hospital at 430-432 West 164th Street for the Sisters of Charity of St. Vincent De Paul and Mt. St. Vincent on Hudson for $500,000.[3]
^Henry F. Withey, A.I.A., and Elsie Rathburn Withey, Biographical Dictionary of American Architects (Deceased) (Los Angeles: New Age Publishing Company, 1956. Facsimile edition, Hennessey & Ingalls, Inc., 1970)