Pabel-Moewig Verlag GmbH, Rastatt, Germany 1961- to date
John Foyt, Vector Enterprises 1997 - to date
Michael Koeckritz, Team Rhodan International, Kitchener, Ontario, Canada 2006 - to date
Thomas Rabenstein, Stuttgart, Germany 1996 - to date
Steve Taylor, USA 1997 - to date
Lothar Bauer, Germany 1998 - to date
Michael Frey, Germany 1998 - to date
Forrest J Ackerman Estate Los Angeles, CA, USA 1996 - to date
Kurt W. Allen, USA 1997 - to date
Wolfgang Kienberger 1997 - to date
Dansen T. Stahl 1997 - to date
Walter Ernsting Estate for picures
Tim Whalen (RhoCon-1 Report and Booklet)
... and others.