Library of Congress. Science and Technology Division. Reference Section
Norman K. Glendenning
Neil deGrasse Tyson
Stephen Hawking
John Gerald Taylor
Janna Levin
Larry Niven
Isaac Asimov
Amanda Davis
Gregory Benford
William J. Kaufmann
Steven Scott Gubser
David Brin
Valeri P. Frolov
William James Sidis
Katherine M. Blundell