In 1849, Walter Hunt twisted a piece of wire while thinking about debt: The tinkering helped create the modern safety pin

Walter Hunt patented the safety pin in 1849. His design improved on earlier pins by adding a spring and catch. This made the ...

In 1938, Roy Plunkett investigated a blocked gas cylinder during routine lab work: The waxy residue inside became Teflon and reshaped industrial chemistry

The year was 1938 when a gas cylinder unexpectedly jammed, leading chemist Roy Plunkett to stumble upon a curious white ...
BroadwayWorld

Richard Thomas

How many Broadway shows has Richard Thomas been in? Richard Thomas has appeared on Broadway in 9 shows. How many West End shows has Richard Thomas been in? Richard Thomas has not appeared in the West ...
Investopedia

Richard H. Anderson: Transformative Airline CEO and Industry Leader

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Doretha Clemons, Ph.D., MBA, PMP, has been a corporate IT executive and professor for 34 ...