Michael Pollan
Robin Wall Kimmerer
James Nestor
Neil deGrasse Tyson & James Trefil
Sy Montgomery
Yuval Noah Harari
Susan Magsamen & Ivy Ross
Carlo Rovelli
Robert Macfarlane
Stephen C. Meyer
Rebecca Skloot
Dan Flores
Cindy Cohn
Irvin D. Yalom, MD & Marilyn Yalom
Marc Reisner & Lawrie Mott
Yuval Noah Harari
David Spiegelhalter
James H. McCommons
Andrew Steele
Ethan Tapper
Robert M. Sapolsky
Ben Goldfarb
Neil deGrasse Tyson
Michael Pollan
Richard P. Feynman
Antonio C. Bianco
Vaclav Smil
Mary Roach
Aldo Leopold
Dr. James Hollis
Charles Darwin
Richard Dawkins
Laura Bates
Ben Goldfarb
Jacques Vallee
Bryan Sykes
Robin Wall Kimmerer
Matt Strassler
Michael Gross
Andy Clark
David Deutsch
John Gierach
Steve Brusatte
Sir Richard Holmes
Philip Goff
Sally Adee
Jack Arute, Jenna Fryer & A. J. Foyt (foreword)
John Medina & The Great Courses
Stephanie Diamond, Luca Massaron, John Paul Mueller & Chris Minnick
Freeman Tilden
Dinah Brannon
Anu Bradford
Dr. Joe Schwarcz
Miguel Nicolelis
R. E. Burrillo
Tom Anderson
Martin K. Ettington
Annie Jacobsen
Donella Meadows
Helen MacDonald
Neil deGrasse Tyson
James T. Lacatski D.Eng., Colm A. Kelleher, Ph.D & George Knapp
Anil Seth
Andrea Wulf
Ayana Elizabeth Johnson
Seth J. Gillihan, PhD
Aarathi Prasad
Caroline Criado-Perez
Rizwan Virk
John McPhee
Carl Sagan
Michael Talbot
Suzanne Simard
Gene Kranz
Rachel Carson
Anne Fadiman
Michio Kaku
Allan Nation
Anna Lowenhaupt Tsing
Francine Shapiro
Alan Weisman
Wendell Berry
Michael Guillen, PhD
Stephen Hawking
Steve Silberman
Jared Diamond
Hannah Fry
Howland Blackiston
Michio Kaku
Vanessa Bohns
David Ariosto
Brian Greene
Dan Flores
James C. Scott
James Nestor
Jamie Metzl
Vaclav Smil
Jeremy Scahill
Forrest Maready