Sarah Rich is a writer and editor, author of Urban Farms and co-author of the bestselling Worldchanging: A User's Guide for the 21st Century

Wendy MacNaughton is a New York Times bestselling graphic journalist and the illustrator of Salt Fat Acid Heat and many others.

Debbie Millman is the author of six books on design and branding and President Emeritus of AIGA.

Maria Popova is a reader and writer and the creator of Brain Pickings.

Book design by the brilliant Roberto de Vicq de Cumptich at De Vicq Design