Archbishop Desmond Tutu
Winner of the 1984 Nobel Peace Prize
Truth and Reconciliation Commission, South Africa
Bill Clinton
Former U.S. president
Dayton Accords
Simon Baron Cohen of Cambridge University
Noted autism expert
The Autism Spectrum
Jody Williams
Nobel laureate and activist against landmines
Toward a Land Mine-Free World
Joseph Ellis
Historian and Pulitzer Prize winner
Founding Fathers
Jimmy Carter
Former U.S. President
Camp David Accords
Betty Boyd Caroli
Historian and biographer of U.S. first ladies
First lady
Gunther Schuller
Noted musician and jazz historian
Jazz
Tony Hawk
Champion skateboarder
Skateboarding
Steven Chu
Former U.S. secretary of energy and Nobel laureate in physics
Spectroscopy
Lee Iacocca
Former Chrysler chairman
Walter P. Chrysler
Sean Wilentz
Columbia University historian
John McCain
Christina Romer
Economist and former head of the president’s council of economic advisors
Great Depression
Andrew Soltis
Chess grandmaster and writer
Chess
Karl Deisseroth
Revolutionary bioengineer
Optogenetics
Kareem Abdul-Jabbar
Hall of Fame basketball player and writer
New York Rens
Past contributors included Albert Einstein, Sigmund Freud, Marie Curie, Leon Trotsky, Harry Houdini, George Bernard Shaw, Bertrand Russell, and many, many others.