Dan Baker (Self - University of Colorado, Boulder), Tom Huffman (Self - Archaeologist, University of Witwatersrand), Kerry Lee (Self - NASA Space Radiation Analysis Group), Jürgen Matzka (Self - GFZ German Research Center for Geosciences), Lisa Nip (Self - Biologist, Massachusetts Institute of Technology), Zarana Patel (Self - NASA Space Radiation Analysis Group), John Tarduno (Self - Geophysicist, University of Rochester), Craig Underwood (Self - Surrey Space Center), Terry Virts (Self - Former NASA Astronaut), Mike Watkeys (Self - Archaeologist)