Before It Was Mainstream

Before It Was Mainstream shares rare interviews from the Hieronimus & Co archive, hosted by Dr. Bob Hieronimus and Dr. Zohara Hieronimus. For over 40 years, they spoke with pioneers in spirituality, metaphysics, esoteric traditions, UFO research, holistic healing, alternative science, and the New Paradigm movement.

Each episode brings listeners timeless insights from visionaries who explored consciousness, hidden wisdom, and healing practices long before they entered the mainstream. Whether you’re curious about astrology, sacred traditions, or spiritual teachers, this podcast offers essential context for today’s seekers.

Discover the roots of modern spirituality through conversations that remain as relevant now as when they were first recorded. Full interviews available at 21stCenturyRadio.com

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Episodes

Wednesday Sep 03, 2025

Jim B. Tucker, M.D. is Bonner-Lowry Professor Emeritus of Psychiatry and Neurobehavioral Sciences at the University of Virginia. Up until his retirement, he was Director of the UVA Division of Perceptual Studies, where he continued the work of Dr. Ian Stevenson with children who report memories of previous lives. In this interview, Tucker joins Dr. Zoh to share his research and discuss the confounding questions of life after death, the nature of consciousness, and what happens when we listen to children.
 
Listen to the full episode via the Hieronimus & Co online archive.

Tuesday Aug 26, 2025

Marcel Vogel, founder of Psychic Research Inc and influential bioenergetics researcher returned to the Dr. Bob Show just months after his first appearance to share more on his findings. Vogel dedicated his life to studying the energies of thought, prayer, and meditation and how to use crystals to amplify these energies. Vogel speaks with a few callers and shares about how the human energy field connects to that of water and the Earth.
Listen to the full interview on the Hieronimus & Co website.

Friday Aug 15, 2025

Dr. Marcel Vogel made his first appearance on 21st Century Radio in early 1988. A former materials scientist, Vogel founded Psychic Research Inc. just years before, dedicating the rest of his life to the study of bioenergetics, including the use of crystals for energetic healing. Vogel answers questions on how crystal formations interact with human energy, the proper way to cleanse crystals, and how they can support meditation and prayer. Finally, he conducts an on-air experiment using these principles. You can find more information about Dr. Vogel's legacy (including an archive Psychic Research Inc Newsletters) at marcelvogel.org. To listen to the full interview, head to the Hieronimus & Co online archive.

Thursday Aug 07, 2025

Dr. Allan J. Hamilton, M.D. joins Dr. Bob to discuss his experiences witnessing near-death experiences, premonitions, and other unexplained events in over 30 years as a neurosurgeon and how these experiences changed his perception of medicine, life, and the human spirit. These stories are shared in his book The Scalpel and the Soul: Encounters with Surgery, the Supernatural, and the Healing Power of Hope.
To hear the full interview with Dr. Hamilton, head to 21stcenturyradio.com.

Thursday Jul 31, 2025

In this 1988 interview, Drs. Bob and Zoh talk with energetic healer, educator, author, and former NASA physicist Barbara Brennan about her research on the human energetic field. Brennan describes the nature of the aura, how it's been measured, and leads listeners through an exercise to see their own energy. A caller also shares his experience seeing the human aura. At the time, Brennan had just released her highly influential book Hands of Light: A Guide to Healing the Human Energy Field which is available now through the Barbara Brennan School of Healing.
 
Full episode available to stream on the Hieronimus & Co archive.

Wednesday Jul 23, 2025

Pioneering parapsychology research, psychic, and author Ingo Swann talks to Dr. Bob about his iconic work Penetration: The Question of Extraterrestrial and Human Telepathy. Originally recorded in 1999, this show features more of Swann's backstory as a participant in government-funded research and development of remote viewing practices, as well as developing theories of extraterrestrial and human telepathic abilities.
In the 2-hour interview, Swann also covers a particularly emotional UFO experience. To hear this special interview in its entirety, head to 21stcenturyradio.com/archive.

Wednesday Jul 16, 2025

Psychic, artist, and friend of the show, Ingo Swann, joins Dr. Zoh to discuss the parapsychology of mass apparitions of the Virigin Mary. Swann shares some of the stories detailed in his book The Great Apparitions of Mary and his analysis of social roles taken up by the media, witnesses, and skeptics surrounding each event.
Interview originally recorded in 1996.
For the full interview, visit 21stcenturyradio.com/archive

Wednesday Jul 09, 2025

Dr. Edgar Mitchell began researching consciousness after his trip to the moon in 1971 as a part of NASA's Apollo 14 mission. In this clip from a 2018 appearance on 21st Century Radio®, Mitchell talks with Dr. Zoh Hieronimus about what happened in space and what he's learned since about the nature of consciousness, resonance, and quantum physics. Dr. Mitchell work in parapsychology carries on today through the Institute of Noetic Sciences, whose mission is "to reveal the interconnected nature of reality through scientific exploration and personal discovery."
For the full interview, visit 21stcenturyradio.com
Music by American Legion.

Wednesday Jul 02, 2025

H&Co Producer Sika Wheeler sits down with Dr. Zoh to kick off the latest Hieronimus endeavor: Before It Was Mainstream, a podcast bringing Bob and Zoh's years of transformational interviews to new audiences. Dr. Zoh discusses the early days of 21st Century Radio® and the journey she and Bob weathered together to bring information about spiritual evolution to the public.
Discover the Hieronimus & Co online archive at 21stcenturyradio.com
Music is "Time Skipper" by American Legion.

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