Yuval Noah Harari
James Nestor
Susan Casey
Yuval Noah Harari
Richard V. Reeves
Bill Bryson
Robin Wall Kimmerer
Max S. Bennett
Annie Jacobsen
Donella Meadows
John Norman
Joshua Foer
Stephen Hawking & Leonard Mlodinow
Thomas Hertog
Carl Sagan
Vaclav Smil
Henry Gee
Christopher M. Palmer, MD
Jenny Odell
Mark Miodownik
Dan Flores
Stephanie Higgs, Nicole Kosanke, PhD, Jeffrey Foote, PhD & Carrie Wilkens, PhD
Mark Miodownik
Neil Postman
Robert M. Sapolsky
Richard C. Schwartz Ph.D. & Alanis Morissette - foreword, introduction
Carl Sagan
Dan Flores
Neil deGrasse Tyson
Derral Eves
Henry Gee
Anonymous
Carl von Clausewitz
Bernard Wood
Michio Kaku
Eric Topol
Thomas Sowell
Michael Talbot
Louann Brizendine, M.D.
David Deutsch
Cat Bohannon
Edward Abbey
Jennifer L. Gaudiani, MD, CEDS, FAED
Steve Brusatte
Sean Carroll
Adesh Silva
Eric Berger
Richard J. Schrödinger
Harvard Business Review
Ros Atkins
Cliff Stoll
P.W. Singer
AudioLearn Medical Content Team
Gerald H. Pollack
Scott Carney
Paul Davies
Lisa Hendrickson-Jack
Ray Kurzweil
Terence McKenna
James D. Watson
James Gleick
Jonathan Weiner
Theresa Brown RN
Edward T. Haslam
David J. Chalmers
Amy Webb & Andrew Hessel
Janna Levin
Lee Baer
Scott Weidensaul
Paul Nurse
Harry Cliff
Lothar Schafer
Guy Consolmagno
David W. Martin & The Great Courses
Richard V. Reeves
Dr. Kabran Chapek
Bernd Heinrich
Brian McCullough
AudioLearn Content Team
Carl Zimmer
Eric Ramsey
Joe I. Garri
Alexandra Witze & Jeff Kanipe
John Gribbin
Samuel Davidson & Rebecca Davidson
Paul Halpern, PhD
Christina Hoff Sommers & Sally Satel, M.D.
Arpan Solanki
Jeron Iris
Paul Bierman
Chris Ferrie
Bruce Usher
Zoë Schlanger
Rebecca Skloot
Shannon Vallor
Adam Ratner, MD, MPH
Thomas Sowell
Dennis Simsek
Sean Carroll
Aldo Leopold