Richard Dawkins

Ethologist, evolutionary biologist

Stephen Hawking

Theoretical physicist

Katerina Harvati

Anthropologist

Alexei Leonov

Cosmonaut, Voskhod 2, Apollo-Soyuz 19, first space walk

Brian May

Musician and Astrophysicist, Starmus co-founder

Charlie Duke

Astronaut, Apollo 16 Moonwalker

Jill Tarter

Astrophysicist, SETI Pioneer

Harold Kroto

Chemist, Nobel Laureate

Walter Cunningham

Astronaut: Apollo 7

Robert Wilson

Physicist , Nobel Laureate

Garik Israelian

Astrophysicist, STARMUS co-founder and Creative Director

David Eicher

Editor, writer and science popularizer

Mark Boslough

Physicist

John Ellis

Physicist

John Mather

Astrophysicist, Nobel Laureate