The Definitive Guide to Aliens

• 
  Paul Essiembre
  Self - Narrator
• 
  Michio Kaku
  Self - Theoretical Physicist, City University of N
• 
  Kevin Warwick
  Self - Cyberneticist, University of Reading
• 
  Paul Davies
  Self - Physicist, Arizona State University
• 
  Lewis Dartnell
  Self - Astrobiologist, University College, London
• 
  Douglas Vakoch
  Self - Director of Interstellar Message Compositio
• 
  Geoff Marcy
  Self - Astronomer, University of California, Berke
• 
  Carlton Allen
  Self - Astromaterials Curator, NASA Johnson Space
• 
  Chris McKay
  Self - Astrobiologist, NASA Ames Research Center
• 
  Sara Seager
  Self - Planetary Scientist, Massachusetts Institut
• 
  Mike Zolensky
  Self - Mineroloist, NASA Johnson Space Center
• 
  Lee Cronin
  Self - Chemist, University of Glasgow
• 
  Les Johnson
  Self - Physicist, NASA Advanced Concepts Office
• 
  John Pye
  Self - Astrophysicist, University of Leicester
• 
  Michael Barratt
  Self - Astronaut, NASA Johnson Space Center
• 
  Andrew Siemion
  Self - Astrophysicist, University of California, B
• 
  Dan Werthimer
  Self - SETI Chief Scientist, University of Califor
• 
  Sriram Kosuri
  Self - Biological Engineer, Wyss Institute, Harvar
• 
  Harold White
  Self - Physicist, NASA Johnson Space Center
• 
  Charles Cockell
  Self - Astrobiologist, University of Edinburgh
• 
  Jan Zalasiewicz
  Self - Paleobiologist, University of Leicester

• Michael Davis

• Julian Jones

• Rupert Graves