Why library science: Most of the presidents on this list have one thing in common — they were almost all voracious readers. Maybe none more than Thomas Jefferson. In his lifetime, Jefferson collected enough books for three libraries. Literally.
The first, containing some 200 books, was lost when his home burned in a fire in 1770. The second library amassed over 6,000 books, which he sold to the U.S. government in 1814 to jump-start the Library of Congress after the British burned it down in 1812.
He continued to collect books and over the next decade amassed a collection of over 2,000 books by his death in 1826, at 83 years old.