Sat, 19 Jun 2021

Inventor of Post-it Notes dies; top 3M product

Robert Besser
16 May 2021, 20:34 GMT+10

ST. PAUL, Minnesota: The inventor of the 3M Post-it Note has died.

Spencer Silver, age 80, died May 8 at his home.

Silver was working in a 3M lab in 1968 when he discovered an adhesive that allowed notes to be attached to surfaces, removed and re-posted elsewhere.

Initially, Silver could not find a practical use for the adhesive, calling it a "solution waiting for a problem to solve."

In 1974, Art Fry, a colleague, used the adhesive to prevent bookmarks from falling out of his hymnal when he sang in church.

As the product developed in 1974, it was initially called the Press 'n' Peel memo pad.

However, it was not introduced for general sales until 1977. After being renamed Post-it Note in 1980 it became an essential product in offices and homes.

Today it is one of 3M's top-selling items.

Silver, who retired in 1996, was awarded 37 patents during his time at 3M. He also won awards from the American Chemical Society.

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