Neil deGrasse Tyson/ Michael A. Strauss/ J. Richard Gott
(3)
Neil Degrasse Tyson/ Avis Lang (EDT)
(2)
Neil deGrasse Tyson/ Avis Lang
(2)
Neil deGrasse Tyson/ Donald Goldsmith
(2)
Neil deGrasse Tyson/ Gregory Mone (CON)
(2)
Neil deGrasse Tyson/ Michael A. Strauss/ J. Richard Gott/ Michael Butler Murray (NRT)
(2)
Carl Sagan/ Neil deGrasse Tyson (FRW)/ Ann Druyan (INT)
(1)
Colin Davey/ Thomas A. Lesser (CON)/ Neil deGrasse Tyson (FRW)
(1)
Cornelia Dean (EDT)/ Neil deGrasse Tyson (FRW)
(1)
David Devorkin/ Robert W. Smith/ Neil deGrasse Tyson (FRW)/ John M. Grunsfeld (FRW)
(1)
Neil Degrasse Tyson/ Neil deGrasse Tyson
(1)
Neil deGrasse Tyson (EDT)/ Jeffrey Simons (EDT)/ Charles Liu (EDT)
(1)
Neil deGrasse Tyson (EDT)/ Steven Soter (EDT)
(1)
Neil deGrasse Tyson, James Trefil
(1)
Neil deGrasse Tyson,J. Richard Gott III,Michael Strauss
(1)
Neil deGrasse Tyson,Lindsey Nyx Walker
(1)
Neil deGrasse Tyson,Michael A. Strauss,J. Richard Gott III,Robert J. Vanderbei
(1)