Mark Rosekind
![Mark Rosekind](/assets/img/authors/unknown.jpg)
Mark Rosekind
Mark Rosekind is the 15th Administrator of the National Highway Traffic Safety Administration. He was appointed by President Obama and sworn in in December 2014, replacing David L. Strickland who resigned in January 2014. NHTSA was run by David J. Friedman, the deputy administrator, in the intervening time...
bulb edison hours invented light naps night six sleep sleeper thomas waste
Thomas Edison invented the light bulb because he thought sleep was a waste of time. But he was a 10-hour sleeper -- six hours a night and two, two-hour naps during the day.