GENERAL KNOWLEDGE

Detailed explanation-1: -Land began work on an instantaneous developing film after the war. In 1947 he demonstrated a camera (known as the Polaroid Land Camera) that produced a finished print in 60 seconds. The Land photographic process soon found numerous commercial, military, and scientific applications.

Detailed explanation-2: -The inventor and founder of the Polaroid Corporation, Edwin H. Land, developed the first instant camera as a hobby during World War II. After the war, the growth of the American economy made it possible for new industries to flourish. One of these industries was instant photography.

Detailed explanation-3: -He studied physics at Harvard University, more specifically, optics, but left after his freshman year, moving to New York City. There he invented the first inexpensive filters capable of polarizing light, which he called Polaroid film.