
S3 E1—James Barrat
James Barrat is author of Our Final Invention: Artificial Intelligence and the End of the Human Era. He's a frequent national speaker on the topic and its consequences (good and bad). |

S3 E2—Don Short
Don Short created West End Architectural Salvage in Des Moines, Iowa and has since turned it into a show that's appeared on both HGTV and DIY networks. |

S3 E3—Dr. James Hansen
James Hansen. James wrote the NY Times Bestselling book First Man which has been turned into a major motion picture starring Ryan Gosling as the late Neil Armstrong. |

S3 E4—Josh Gates
Josh Gates is an archaeologist and host of Expedition Unknown now appearing on the Discovery Channel (previously the show appeared on the Travel Channel). |

S3 E5—Mitch Matthews
Mitch Matthews has helped thousands of people realize their dreams. He's also an author and host of the Dream. Think. Do. podcast. |

S3 E6—Jill Heinerth
Jill Heinerth is a diver and explorer for the Royal Canadian Geographical Society. She was named a "Living Legend" by Sport Diver magazine. |

S3 E7—Dr. Jill Pruetz
Dr. Jill Pruetz is a National Geographic researcher and primatologist who has spent years in Africa studying chimpanzees and a variety of different species of monkeys. |

S3 E8—Kevin Jorgeson
Kevin Jorgeson is a rock climber who, along with his partner Tommy Caldwell, made the first successful free climb up the 3000' Dawn Wall in Yosemite. |

S3 E9—Joe LeValley
Joe LeValley is a a novelist, board member for the Iowa Rock-N-Roll Music Association, and very talented musician. |

S3 E10—Dr. Tahir Rahman
Dr. Tahir Rahman is a professor of psychiatry and author of We Came in Peace for All Mankind. |