Christopher McDougall is an American author and journalist.

Laura Lynne Jackson is an international speaker, teacher, and psychic medium certified with the Windbridge Research Center and the Forever Family Foundation. She is the author of the New York Times bestsellers Signs: The Secret Language of the Universe and The Light Between Us. She lives on Long Island with her husband and their three children.

Jared Mason Diamond is an American scientist, historian, and author.

James Gleick is an American author and historian of science whose work has chronicled the cultural impact of modern technology.

William McGuire Bryson is an American journalist and author who was naturalized as a British citizen in 2014.

Alexander Hamilton was one of the Founding Fathers of the United States, an instrumental promoter of the U.S. Constitution, and founder of the nation's financial system. He co-wrote the 85 Federalist Papers essays (under the pseudonym "Publius") with James Madison and John Jay between October 1787 and May 1788, and published early political writings including *A Full Vindication of the Measures of Congress* and *The Farmer Refuted*.