Spencer Ferguson Silver (born February 6, 1941) is a retired American chemist who specialized in adhesives. 3M credits him with devising the adhesive that Art Fry used to create Post-it Notes.
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Anything was possible. Everything was uncertain. But I knew one thing for sure: I'd bounced back before, and I would do it again and again and again. Because that's the only choice there is. And as many things as I still had to lose, I had just as many more left to find.