Artist credit “Richard P. Feynman narrated by Richard Poe / Tomas E. Firle narrated by Johanna Parker”
This artist credit is composed of the following artists:
- Richard P. Feynman
- Richard Poe (US actor)
- Tomas E. Firle (German-American man; one-time correspondent with Richard P. Feynman)
- Johanna Parker (American voice artist)