Spencer Ferguson Silver III (February 6, 1941 – ... - dofaq.co
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Spencer Ferguson Silver III (February 6, 1941 – ...

wikipedia - 14 May 2021
Spencer Ferguson Silver III (February 6, 1941 – May 8, 2021) was an American chemist and inventor who specialized in adhesives. 3M credits him with devising the adhesive that Art Fry used to create Post-it Notes.[1][2]

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