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

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

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

Notable Deaths 2021 - The New York Times

Obituary: Spencer Silver, scientist who helped invent the global

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Spencer Silver

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Post-it Notes

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

Office inventions making your life easier since the 1860s

Post-it Note inventor dead at 80

List of notable deaths in 2016 - The Boston Globe

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