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Politeness is the slow poison of collaboration.

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A bit about Edwin H. Land ...

Edwin Herbert Land (May 7, 1909 – March 1, 1991) was an American scientist and inventor. 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. The original material of Polaroid, patented in 1929 (U.S. Patent 1,918,848) and further developed in 1932 by Edwin H. Land, consists of many microscopic crystals of iodoquinine sulfate (herapathite) embedded in a transparent nitrocellulose polymer film.

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I'm female, say nothing