Abraham Lincoln is the only president to hold a patent. Author Jason Emerson discusses Lincoln's invention of "a device to buoy vessels over shoals" while detailing and examining the mostly unknown aspect of Lincoln's life, and how his penchant for inventions and inventiveness helped to shape his political beliefs.
Metrorail: Archives-Navy Memorial-Penn, Smithsonian, Metrobus: A11, X1
Official Website: http://www.archives.gov/nae
Added by destinationdc on October 21, 2008