Guest:  Melodie Yashar; Topics:  Space architecture, engineering for humans living in space, needed multi-discipline collaboration, Mars hostility to humans, lunar habitats, Mars as a backup to Earth, building codes for space structures, evidence based human space structures, artificial gravity and more.

Guest:  Leonard David;  Topics:  Leonard discussed a variety of space topics ranging from public to commercial to planetary to human spaceflight. He included lunar return, Starship, SLS, Artemis, national security space issues, China and Russia and lots more.

Guest:  Joe Carroll;  Topics:  Artificial gravity, Starship as a tanker, space settlement, debris mitigation, solar system surface gravity, Joe's recent Space Review Article, "How to clarify human futures beyond Earth."

Guest:  Erasmo Acosta; Topics:  Space settlement, space resources, O'Neill 1G orbiting space settlement, lunar and Mars settlement, the Fermi Paradox, are we alone and much more.

Guest:  Dr. Haym Benaroya, Rohith Dronadula;  Topics:  Rohith's thesis concept of a hybrid lunar inflatable structure, lunar habs, designs, TRLs, rocket payload constraints, robotic development, human space labor, Rutgers aerospace engineering program and online classes.