Daniel Joseph Boorstin (October 1, 1914 – February 28, 2004) was a prolific American historian, professor, attorney, and writer. He served as the U.S. Librarian of Congress from 1975 until 1987.
Boorstin was born in Atlanta, Georgia and died in Washington, D.C.
He graduated with highest honors from Harvard, studied at Balliol College, Oxford as a Rhodes Scholar and earned his PhD. at Yale University. He was a lawyer and a university professor at the University of Chicago for 25 years. He also served as director of the National Museum of History and Technology of the Smithsonian Institution. Boorstin wrote more than 20 books, including a trilogy on the American experience and one on world intellectual history. The Americans: The Democratic Experience, the final book in the first trilogy, received the 1974 Pulitzer Prize in history. Boorstin also wrote the books The Discoverers, The Creators and The Seekers, a trilogy of books that attempt to survey the scientific, philosophic and artistic histories of humanity respectively.
Boorstin was quoted as saying: The greatest obstacle to discovering the shape of the earth, the continents, and the oceans was not ignorance, but the illusion of knowledge.