Carl Sagan

John Casani

Lawrence Krauss

Carolyn Porco

Timothy Ferris

Edward Stone

Nick Sagan

Larry Soderblom

Charley Kohlhase

Fran Bagenal

James F. Bell

Frank Locatell

Suzanne Dodd

Jon Lomberg

Heidi Hammel

Candy Hansen

Andrew Ingersoll

Dave Linick

Fernando Peralta

Linda J. Spilker

Tom Spilker

Janet Sternberg

Amahl Drake

Don Gurnett

Stamatios Krimigis

Linda Morabito

Bradford A. Smith

Richard John Terrile

Frank Drake