- Walter Rauschenbusch
- Philip R. Zimmermann
- Konstantinos Konstantinides
- Charles A. Bell
- Ulf Troppens
- Thomas W. Parsons
- Dave Ingram
- Tero Karvinen
- Dorothy Denning
- David Caplan
- Frank Mayer
- Karl MacMillan
- Kimmo Karvinen
- Wolfgang Barth
- David Noel Cook
- Vasudev Bhaskaran
- Horst Truestedt
- Terence Parr
- John Sellens
- Rainer Erkens