Paul Sutter (Self - Physicist & Author), Hakeem Oluseyi (Self - Physicist & Author), Daniel Dickrell (Self - Mechanical Engineer), Kimberly Adams (Self - Journalist), Sami Jarroush (Self - Historian), Dan Riskin (Self - Evolutionary Biologist), Andrew Patrick Nelson (Self - Associate Professor: University of Utah), Cheryl H. White (Self - Professor of History), Kaiama Glover (Self - Professor: Yale University), James Lurie (Self - Narrator)