. "1909Z"^^ . . "Land, Edwin H."@en . . . "1909-05-07Z"^^ . . "Edwin Herbert Land, ForMemRS, FRPS, Hon.MRI (May 7, 1909 \u2013 March 1, 1991) was an American scientist and inventor, best known as the co-founder of the Polaroid Corporation. Among other things, he invented inexpensive filters for polarizing light, a practical system of in-camera instant photography, and his retinex theory of color vision. His Polaroid instant camera, which went on sale in late 1948, made it possible for a picture to be taken and developed in 60 seconds or less."@en . "1991Z"^^ . . "Edwin Herbert Land"@en . "American scientist and inventor" . . . . . "1991-03-01Z"^^ . . .