Jerry Carr – A NASA astronaut and aerospace engineer, Carr commanded Skylab 4, the longest human spaceflight at the time, conducting vital research on space habitation, solar physics, and Earth observation.

Jerry Carr Astronaut

Jerry Carr

Astronaut

Story Musgrave – A physician, astronaut, and Renaissance man, Musgrave flew six Space Shuttle missions, mastering spacewalking and playing a key role in the repair of the Hubble Space Telescope.

Story Musgrave

Space Shuttle Astronaut Skywalker

Jay Buckey – A physician, astronaut, and researcher, Buckey flew on STS-90, investigating the effects of spaceflight on the human body and later advancing studies on medicine, telehealth, and space psychology.

Jay Buckey Astronaut

Jay Buckey

NASA BioLab Researcher

Jonathan McDowell – An astrophysicist and space historian, McDowell worked on the Chandra Space Telescope and provides listeners a broad overview of astrophysics, sharing insights on the universe and space exploration.

Jonathan McDowell Astrophysicist

Jonathan McDowell

Astrophysicist