Spencer Silver, an Inventor of Post-it Notes, Is Dead at 80 - The New York Times

Post-It Note inventor Spencer Silver dies at 80 - The Washington Post

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Spencer Silver, who helped invent the Post-it Note, dies at age 80

Spencer Silver obituary

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Spencer Silver, the chemist who gave Post-it Notes their signature

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Interview] Spencer Silver, the developer of 'Post-it', dies - GIGAZINE

The Accidental Discovery of Post-It Notes

Interview] Spencer Silver, the developer of 'Post-it', dies - GIGAZINE