APIs often come in the form of a library that includes specifications for routines, data structures, object classes, and variables. In other cases, notably SOAP and REST services, an API is simply a specification of remote calls exposed to the API consumers.
The inventor of the photographic process in which a photograph produced without a negative by exposing objects to light on light sensitive paper, is named Man Ray.
One of the people behind photography as art was Alfred Stieglitz, an American photographer and a promoter for modern art. Many believe it is Stieglitz who made photography as art what it is today. Stieglitz outside photography is widely known for his passion for avant-garde. Alfred owned several New York art galleries and introduced many of the European avant-garde artists to the U.S. public.