A wide-open conversation with three women who guided Richard Feynman through some big adventures at the Esalen Institute. (Part of our Feynman series.)

• SOURCES: 
  • Barbara Berg, friend of Richard Feynman.
  • Cheryl Haley, friend of Richard Feynman.
  • Debby Harlow, friend of Richard Feynma
  • Sam Stern, content creator at the Esalen Institute.

• EXTRAS: 
  • Richard Feynman Series, by Freakonomics Radio (2024).
  • "The Future of Therapy Is Psychedelic," by People I (Mostly) Admire (2023).