Chris Impey is a University Distinguished Professor and deputy head of the astronomy department at the University of Arizona. His research has been supported by $18 million in grants from NASA and the National Science Foundation, and he has had 24 projects given time on astronomy's premier research facility, the Hubble Space Telescope.

Sonia Paban is an Associate Professor of Physics at the University of Texas at Austin. Her research focuses on the fundamental physics of the early universe, a period known as cosmic inflation. Sonia’s research seeks to understand how likely it was for the universe to enter this period of exponential expansion. She is also interested in which detailed particle physics mechanisms are both compatible with the observations and with String Theory.

Professor Sean McWilliams says "As a kid I wanted to go to the stars and be an astronaut. As I got more sophisticated in my thinking, I wanted to understand what we were seeing when we look at stars." Sean is now an assistant professor of Physics and Astronomy at West Virginia University. His work focuses on gravitational-wave astronomy, where he contributes to several current and future observational missions.

Brian Batell teaches particle physics at the University of Pittsburgh. For today's episode of Radio Physics he explains dark matter and the Higgs boson.

Today's guest is Bela Bauer who works at Station Q, Microsoft's research center located on the University of California, Santa Barbara campus. Bela works on the intersection of condensed matter theory and quantum information theory, developing quantum computers and studying time cyrstals.

Professor Charles F. Stevens is a neurobiologist at the Salk Institute of La Jolla, California. Here he speaks about his work with face and scent recognition in humans and fruit flies and underlying principles of the brain and how it works.

Dr. Randy G. Hulet, Professor of Physics and Astronomy at Rice University in Houston, discusses ultra-cold atoms and super conductivity as well as the value of fundamental physics.

Theoretical physicist and professor of physics at Boston University Dr. David Campbell specializes in nonlinear phenomena and condensed matter physics. He joined Matt Popish from Aspen High School and Will Kaufman from Glenwood Springs High School to talk about his work.

Dr. Sebastian Doniach is a British-American physicist and professor at Stanford University. For this month's show, he discusses advances in biophysics with local high school students William Kaufman and William Orben.

Professor Sam Gralla is a theorist working at the interface between physics and astronomy. He specializes in black holes and neutron stars, whose extreme density makes gravity and electromagnetism behave in strange ways and produce unique emissions, from radio to X-ray to gravitational waves.