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He was born in San Antonio TX
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1950 he moved on to the UOM majoring chemical
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Majored chemisty twice one time in 1962 and one time in 1966
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He developed an abhesive that was strong enough to stick to walls, but left no residue after removel
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Spencer silver invented post-it-notes in 1970
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He retired in 1990
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DIED on July 17, 2007
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