Guest:  Dr. Ken Davidian; Topics: space tourism, research methodology, management models, Ken's paper "Space Tourism Industry Emergency: Description and Data", orbital tourism, marketing, share topic research models.

Guest:  Dr. Patricia (Pat) Hynes:  Topics: The ISPCS 2018, the Tipping Point theme, key speakers, topics, commercial space support, space policy, trends and more

Guest:  Dr. Robert Hargraves;  Topics:  Thorium as an energy source, thorium economics, nuclear issues and regulations, radiation, and much more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.  Comments and questions should be relevant to the specific Space Show program.

Guest:  Dr. Paul Spudis; Topics: Return to the Moon, space policy, lunar concerns, infrastructure, Mars, NASA, budget issues & more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program.

Guest: Michel Listner. Topics: Drones, air traffic control, NASA, SpaceX, patents, reusability, property, space law & more. Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, http://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use.