- Christoph Hocker
- Helga Willinghofer
- Thomas Wiedemann
- James Davidson
- Maria Wyke
- Alexandre Farnoux
- Anna Michailidou
- Absalom Jones
- Dana Desonie
- Tatyana Webber
- Sabatino Moscati
- Plain Spoken Quakers
- Adrian Murdoch
- Robert Drews
- Jean-Marie Dentzer
- John F. Thornton
- María Eugenia Aubet
- Christian Auge
- Hans-Georg Wunderlich
- Theodore H. Feder