Gene Stone is an American writer and editor known for his books on animal rights and plant-based food..

Michael Herschel Greger is an American physician, author, and speaker on public health issues best known for his advocacy of a whole-food, plant-based diet, and his opposition to animal-derived food products.

Timothy Ferriss is an American entrepreneur, investor, author, podcaster, and lifestyle guru.

T. Colin Campbell (born 1934) studied pre-veterinary medicine at Pennsylvania State University (B.S., 1956) before attending the University of Georgia's veterinary school. He coined the term "plant-based diet" in 1980 to present his research at the National Institutes of Health and has authored over 300 research papers and four books, including *The China Study*, co-written with his son Thomas M. Campbell II.

Thomas Campbell (1733–1795) was an Irish Protestant clergyman, best known as a travel writer and for his accounts of the circle of Samuel Johnson..

Heather Choate was born in Littleton, Colorado, and now lives on a farm in a small town in Southern Colorado with her husband and five children. She is currently writing the Way of the Xaltan series, an epic dystopian saga. In her spare time, she chases chickens, tends her garden, and enjoys people-watching.