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Spencer Silver (1941–2021), co-inventor of Post-it Notes
Spencer Silver was a chemist who invented the adhesive used in Post-it Notes.Silver worked at 3M for 30 years, from 1966 until his retirement in 1996, but it was early in his career there that he developed his most memorable invention. In 1968, Silver was working to create a powerful adhesive to be used in building airplanes.
