Stephen Hawking

Self - Interviewee

Buzz Aldrin

Self - Interviewee

Ray Kurzweil

Self - Interviewee

Michio Kaku

Self - Interviewee

Martin Rees

Self - Interviewee

Ashton Kutcher

Self - Interviewee

will.i.am

Self - Interviewee

Shimon Peres

Self - Interviewee

Peter Diamandis

Self - Interviewee

Dean Kamen

Self - Interviewee

J. Craig Venter

Self - Interviewee