Edwin H. Land Edwin H. Land Edwin Herbert Land, ForMemRS, FRPS, Hon.MRI (May 7, 1909 – March 1, 1991) was an American scientist and inventor, best known as the co-founder of the Polaroid Corporation. He invented inexpensive filters for polarizing light, a practical system of in-camera instant photography, and the retinex theory of color vision, among other things. His Polaroid instant camera went on sale in late 1948 and made it possible for a picture to be taken and developed in 60 seconds or less. Edwin Land was born in Bridgeport, Connecticut to Martha (Goldfaden) and Harry Land, owner of a scrap metal
Instant camera their own takes on instant cameras. Polaroid cameras can be classified by the type of film they use. The earliest Polaroids (pre-1963) used instant roll film. Roll film came in two rolls (positive/developing agent and negative) which were loaded into the camera and was eventually offered in three sizes (40, 30, and 20 series). The next generation of Polaroid cameras used 100 series "pack film," where the photographer pulled the film out of the camera, then peeled apart the positive from the negative at the end of the developing process. Pack film initially was offered in a rectangular format (100