Harry Gordon is a UK Firearms Dealer and lives in the South of England. For over 30 years he has been involved in the firearms trade in the UK and abroad. He specialises in handguns and his particular interest is in pre 1945 German pistols and revolvers together with English handguns from the period 1850 to 1890 with an emphasis on Adams' and Tranter revolvers. His other interest is books relating to shooting, hunting and firearms from the 16th. to the19th. Century.

Dr. Richard Preuss works as a medical Doctor in the north of Germany "Münsterland." For more then 25 years he has collected guns and ammunition and has built up a representative collection of classic & modern firearms with the main focus on silenced guns. He is recognised as an authority on silenced weapons by the "Verband für Waffentechnik und Geschichte" (VdW: German Gun Collectors Association). He holds a German Firearms Dealer's licence.