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Spencer Ferguson Silver III (February 6, 1941 – May 8, 2021) was an American chemist and inventor who specialized in adhesives. 3M credits him with having devised the adhesive that Arthur Fry used to create Post-it Notes .
Arthur Fry with a Post-it note on his forehead. In 1968, Spencer Silver, a scientist at 3M in the United States, attempted to develop a super-strong adhesive.Instead, he accidentally created a "low-tack", reusable, pressure-sensitive adhesive for the aerospace industry.
Spencer Silver was 80 and died May 8 at his home, the family's obituary said. Silver was working in a company lab in 1968 when he discovered a unique adhesive formula, according to 3M.
That year, Fry attended a seminar which was given by another 3M scientist, Spencer Silver, on a unique adhesive Silver had developed in 1969. Silver's innovation had an unusual molecular structure, yielding an adhesive strong enough to cling to objects but weak enough to allow for a temporary bond. At the time, Silver was still searching for a ...
3M's Springfield, Missouri plant opened in 1967 and makes industrial adhesives and tapes for aerospace manufacturers. In 2017, 3M had approximately 330 employees in the metropolitan area , and announced a $40 million expansion project to upgrade the facility and redevelop another building.
The following is a list of notable deaths in May 2021. Entries for each day are listed alphabetically by surname. A typical entry lists information in the following sequence: Name, age, country of citizenship at birth, subsequent country of citizenship (if applicable), reason for notability, cause of death (if known), and reference. May 2021 1 Felicia Adeyoyin, 82, Nigerian educationist and ...
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Spencer Silver: 1941 Post-it notes [419] 2010 Tracy Hall: 1919 Synthetic diamond [420] 2010 Vincent Lanza: 1922 Polymer cable sheath [421] 2010 Walter Lincoln Hawkins: 1911 Polymer cable sheath [422] 2010 Yvonne Brill: 1924 Electrothermal hydrazine resistojet [423] 2011 Albert Dick: 1856 Duplicating machine [424] 2011 Bernard Silver: 1924 First ...
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