Michio Kaku
Himself
Lawrence Krauss
Himself
Charissa Saverio
Hologram
Julian Barbour
HimselfRobert J. Bennett
HimselfJohn Byl
HimselfBernard J. Carr
HimselfGeorge F.R. Ellis
HimselfJohn Hartnett
HimselfRon Hatch
Himself
7.72002
7.81989
7.92006
7.72010
7.42007
7.82005
7.51990
6.82013
7.22007
7.32002
7.62006
8.01995
6.82013
8.02004
7.32004
7.72009
7.12015
8.22000
6.42002