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.
The transition from room sized camera to a portable camera was envisaged in 1685 by Johann Zahn. The first camera was invented by Alexander Wolcott. His camera design was patented on 8 may, 1840. With the invention of Alexander Wolcott it was possible to click candid pictures that did not fade away with time. However, the earliest photographs were not taken with Alexander Wolcott's invention.