People I Creators & Guests

Steve Levitt is an economist and co-author of the best-selling book, Freakonomic... more

Barry Nalebuff is a professor of Management at Yale School of Management, writer... more

Thomas Curran is an Assistant Professor in the Department of Psychological and B... more

Asmeret Asefaw Berhe is a researcher, soil biogeochemist, and political ecologis... more

Dr. Carolyn Bertozzi is a chemist and professor of chemistry at Stanford Univers... more

John List is an economist at the University of Chicago.

Steven Strogatz is a mathematician and the Jacob Gould Schurman Professor of App... more

Peter Albert David Singer is a moral philosopher, he is the Ira W. DeCamp Profes... more

Dr. Cassandra Quave is a medical ethnobotanist and an Associate Professor of Der... more

Sendhil Mullainathan is a professor of Computation and Behavioral Science at the... more

Dr. Charity Dean is a public health physician who is known for her work as the A... more

Salman Khan is an educator and entrepreneur who founded Khan Academy. It is a fr... more

Jared Diamond is a geographer, historian, anthropologist, and author best known ... more

Raj Chetty is an economist, Professor of Economics at Harvard University, and ad... more

Brad Gregory is a Professor of Early Modern European History at the University o... more

John Green is an author, vlogger, producer, and educator.

Arnold Alois Schwarzenegger is an Austrian-American actor, filmmaker, businessma... more

David Helfand is an author, astronomer, Chair in the Department of Astronomy at ... more

Annie Duke is a professional poker player and author. She holds a World Series o... more