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