The series includes interviews with astrophysicist Kim Weaver, Bernard Carr, a student of Hawking's, and three theoretical physicists: Michio Kaku, Edward Witten, known for his work on superstring theory, and Lisa Randall.
Mona Lisa | Lisa | Lisa Stansfield | Lisa Simpson | Randall Franks | Lisa Loeb | Randall Cunningham | Lisa Olson | Holly Randall | Tony Randall | Randall Wallace | John Randall | Randall Jarrell | Lisa McCune | Lisa Lopes | Lisa Leslie | Lisa Kudrow | Lisa Jarnot | Lisa Hannigan | Lisa Fernandez | Apple Lisa | Randall Bramblett | Lisa Ray | Lisa Marie Varon | Lisa Firestone | Suze Randall | Randall Bailey | Randall | Mona Lisa (opera) | Lisa Tuttle |