James Nestor
Robin Wall Kimmerer
Yuval Noah Harari
Brian Cox & Jeff Forshaw
Richard C. Schwartz Ph.D. & Alanis Morissette - foreword, introduction
Christopher M. Palmer, MD
Neil deGrasse Tyson
Robert M. Sapolsky
Donella Meadows
Robert M. Sapolsky
Yuval Noah Harari
Neil deGrasse Tyson
Karl Deisseroth
Sean Carroll
Roger Ver
Neil deGrasse Tyson
Susan Magsamen & Ivy Ross
Carl Sagan
Lyn Alden
Professor Brian Cox & Andrew Cohen
Bill Nye & Corey S. Powell
Richard V. Reeves
Rebecca Skloot
Neil Shubin
Robert F. Kennedy Jr. & Brian Hooker
David Deutsch
Peter Godfrey-Smith
Florence Williams
Jennifer L. Dorsey, PhD & Beverley Henderson, CMT-R, HRT
Anonymous
Ed Yong
Tony Guerra
Stanislas Dehaene
Hannah Wunsch
Edward Abbey
Brian Greene
Richard J. Schrödinger
Richard Preston
Simon Winchester
Jerry A. Coyne
New Scientist, Stephen Hawking & Graham Lawton
Stephen Rollnick PhD, William R. Miller Phd & Christopher C. Butler MD
Daniela Rus & Gregory Mone
Wade David Fairclough, Chris Ferrie & Byrne LaGinestra
Miguel Vaquero
Suzanne Simard
Ijeoma Oluo
Annie Jacobsen
Sean Carroll
Zoë Schlanger
Jenny Odell
Carlo Rovelli
James Gleick
David Eagleman
Bobby Azarian
Chad Orzel
Mike L Turner
Yuval Noah Harari
Louann Brizendine, M.D.
Adam Rutherford
Eric Berger
Dan Flores
Boyce Upholt
Chandler Kitching
Thomas Sowell
Patricia McConnell
Sean Carroll
Andrew Hutz, Travis A. Everett & Mike Meyers
Nathan DeWall
Stephen Hawking
Brian Greene
David Seidl & Mike Chapple
Pam Baker
David Wallace-Wells
James D. Watson
Ben Piper & David Clifton
Robert Zubrin
Edward T. Haslam
Stephen C. Meyer
Sherwin B. Nuland
Charles C. Mann
Kevin D. Mitnick, William L. Simon & Steve Wozniak
Stephen Hawking & Leonard Mlodinow
Hope Jahren
Hannah Fry
Jeron Iris
Charles Darwin
Thomas S. Kuhn
Rebecca Boyle
Mike Busch, A&P/IA
Philip Goff
Solis Tech
Jonathan Weiner
Paul R. Daugherty & H. James Wilson
Catherine Johnson & Temple Grandin
Sean Carroll & The Great Courses
Susan Casey
James Mahaffey
Mark Shepard
Chase Hill