Additional authors: Tyson, Neil deGrasse, -- host, -- interviewer (expression) | Takei, George, -- 1937- -- interviewee (expression) | Nolan, Christopher, -- 1970- -- interviewee (expression) | Savage, Dan, -- interviewee (expression) | Huffington, Arianna Stassinopoulos, -- 1950- -- interviewee (expression) | Dawkins, Richard, -- 1941- -- interviewee (expression) | Carter, Jimmy, -- 1924- -- interviewee (expression) | Hadfield, Chris, -- 1959- -- interviewee (expression) | Stone, Biz, -- interviewee (expression) | Bolden, Charles, -- 1946- -- interviewee (expression) | Lear, Norman, -- interviewee (expression) | National Geographic Television & Film, -- production company. | National Geographic Channel (Television station : Washington, D.C.), -- broadcaster. | National Geographic Society (U.S.), -- publisher.