Gottschalk Eduard Guhrauer
(4)
Johann Gottschalk Wallerius
(3)
Petter (BI Norwegian Business School Gottschalk Oslo Norway)
(3)
Bob Kiss (EDT)/ Uwe Gottschalk (EDT)/ Michael Pohlscheidt (EDT)
(2)
Brian Van Flandern/ Harald Gottschalk (PHT)
(2)
Eng K. Chew/ Petter Gottschalk
(2)
Gottschalk Guido Maria Dreves
(2)
Julia Davidson (EDT)/ Petter Gottschalk (EDT)
(2)