Self - Narrator (voice)

Self - NASA Astronaut & Research Scientist

Self - General, US Army (ret.); Former NATO Supreme Allied Cmdr.

Self - Dist Prof of American Studies, Onondaga Council of Chiefs

Self - Philosopher & Author, 'Humankind'

Self - Former Congressman (R), South Carolina

Self - Professor of Biogeochemistry

Self - Marine Biologist; Dir. Hawaii Institute of Marine Biology

Self - Author, ‘Environmental Melancholia’

Self - Physicist