Tyson, Neil Degrasse, Strauss, Michael A., Gott, J. Richard (2) Bablick, Eva-maria, Tschakert, Michael (2) Ramon, Valentin (1) Halpern, Jake (1) Tyson, Neil Degrasse, Strauss, Michael A., Gott, J. Richard, Vanderbei, Robert J. (1)