- Walter Rauschenbusch
- Bryan Costales
- Philip R. Zimmermann
- Konstantinos Konstantinides
- Gregory Neil Shapiro
- Claus Assmann
- Charles A. Bell
- Ulf Troppens
- Dave Ingram
- Dorothy Denning
- David Caplan
- Frank Mayer
- Thomas Porter
- Karl MacMillan
- Wolfgang Barth
- David Noel Cook
- Vasudev Bhaskaran
- Horst Truestedt
- Terence Parr
- Rainer Erkens