Carl Sagan

Carl Sagan

male, deceased (1996)
Carl Edward Sagan was an American astronomer and astrobiologist and a highly successful popularizer of astronomy, astrophysics, and other natural...
Carolyn Porco

Carolyn Porco

female
Carolyn C. Porco is an American planetary scientist and the leader of the imaging science team on the Cassini mission <sup>,<;/sup> <sup>,<;/sup>...
Alan Stern

Alan Stern

male
S. Alan Stern is the Associate Administrator of NASA's Science Mission Directorate. Formerly a scientist at the Southwest Research Institute, he...
Christopher McKay

Christopher McKay

male
Christopher P. McKay is a planetary scientist at NASA Ames Research Center, studying planetary atmospheres, astrobiology, and terraforming. McKay...
Steve Squyres

Steve Squyres

male, 52 years old
Steven W. Squyres (born 1957) is a professor of astronomy at Cornell University in Ithaca, New York. His research area is in planetary sciences,...
Guy Consolmagno

Guy Consolmagno

male, 57 years old
Brother Guy J. Consolmagno, SJ (born September 19 1952 in Detroit, Michigan), is an American research astronomer and planetary scientist at the...
Chad Trujillo

Chad Trujillo

male, 35 years old
Chadwick A. "Chad" Trujillo (born November 22, 1973), is an astronomer and the co-discoverer of the dwarf planet Eris. Trujillo works with computer...
Colin Pillinger

Colin Pillinger

male, 66 years old
Colin Pillinger, CBE, (born in Bristol May 9 1943) is a planetary scientist at the Open University in the UK. He graduated with a BSc and a Ph.D....
Pascal Lee

Pascal Lee

male
Pascal Lee is chairman and co-founder of the Mars Institute, a planetary scientist with the SETI Institute, and the Principal Investigator of...
Neil Degrasse Tyson

Neil Degrasse Tyson

male, 51 years old
Neil deGrasse Tyson (b. October 5, 1958 in New York City) is an African American astrophysicist and, since 1996, the Frederick P. Rose Director of...