April is the 30th anniversary for Post-It® notes. The invention of Post-It notes began by accident in 1968 when Spencer Silver discovered a unique adhesive that would not only stick to surfaces but also could be repositioned repeatedly. Art Fry, Silver’s colleague, needed a bookmark for his church hymnal that would stay in place while singing in the church choir. Fry applied the adhesive to create a new bookmark and the product was released in 1980.
See www.3m.com/us/office/postit/pastpresent/history.html for the full story about Post-It notes!
Many people believe Michael Jackson is just a singer and performer when he also was an inventor of a patent on a “Method and Means for Creating Anti-Gravity Illusion” (U.S. Patent No. 5,255,452). The patent is for a shoe system that allows the shoe wearer to lean forwardly beyond their center of gravity (a slot within the heel of the shoe would removably engage a hitch member on the stage by the wearer simply sliding the shoe forward). See U.S. Patent No. 5,255,452.