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.
When exposed to sunlight the coated paper darkened. In invention of photography is credited to Nicephore Niece 1765 - 1833 France-who made the first permanent picture, a view from his window using a camera of his design. This first picture was taken in 1827.