A Dotty Idea

You may have run over Elbert Dysart Botts's invention today. Never heard of him you say? Well, he's the guy who developed Botts Dots, the raised reflective markers seen in the middle of roads and freeways throughout America.
Botts earned his Doctorate in chemistry from the University of Wisconsin and taught for 16 years at San Jose University. When WWII broke out, he went to work for the government as a chemist. …