Esther Dyson

Executive Founder of Way to Wellville

Misha Glenny

Journalist & Broadcaster, Expert on Southeast Europe, Global Organized Crime & Cybersecurity

Leroy Chiao

Former Astronaut & International Space Station Commander; Commercial Space Flight Pioneer

Bernard Harris

Former NASA Astronaut; President & CEO of Vesalius Ventures; First African-American to Perform a Spacewalk

Dr. Bonnie Dunbar

Former President & CEO of the Museum of Flight; Former NASA Astronaut

Robert Zubrin

Aerospace Engineer, Best-Selling Author & Founder of Pioneer Astronautics

Andy Weir

Science Fiction Author, Known for "The Martian"

Project Hail Mary: A Novel

Maj. Gen. Charles Frank Bolden, Jr.

Former Administrator of NASA & Astronaut; Retired United States Marine Corps General

Nathalie Cabrol

Planetary Scientist, NASA

Kim Stanley Robinson

Bestselling & Award-Winning Science Fiction Writer

Daniel Wolpert

A neuroscientist and engineer, Daniel Wolpert studies how the brain controls the body.

Alyssa Carson

Youngest Ever Astronaut in Training; Space Travel Enthusiast

Cady Coleman

Former NASA Astronaut; Retired U.S. Air Force Officer & Chemist

Joan Higginbotham

Electrical Engineer & Former NASA Astronaut; Third African-American Woman To Go Into Space

Joan Higginbotham: Stress

Natalya Bailey

Aerospace Engineer; Founder & CEO of Accion Systems

Emily Calandrelli

Aerospace Engineer; Host & Producer of FOX's "Xploration Outer Space"

Abigail Harrison

Founder of The Mars Generation, STEAM Advocate & Internet Personality; Aspiring Astronaut

Dr. Franklin Chang Díaz

Former NASA Astronaut, CEO of Ad Astra Rocket Company, Inventor, Space & Energy Entrepreneur

Natalie Panek

Engineer, MDA Robotics and Automation Division

Yvonne Cagle

NASA Management Astronaut & Retired U.S. Air Force Colonel

Katherine Johnson, 'hidden figure' at NASA during 1960s space ...