Richard Dawkins, Bill Anders, Alfred McEwan, Michel Major, Jack Shostak, Mark Boslow, Sergei Zhukov, Alexei Leonov, Yuri Baturin, Christopher Hadfield, Neil Tyson DeGrasse, Walt Cunningham, Neil Armstrong, Buzz Aldrin
Anthony Ham, Egill Bjarnason, Gemma Graham, Anna Kaminski, Adrienne Murray Nielsen, Barbara Woolsey, Sean Connolly, Marc Di Duca, Mark Elliott, Paula Hotti, Virginia Maxwell, John Noble, Thomas O'Malley, Kevin Raub, Simon Richmond, Maddy Savage