Karl Geiser's father was a butcher but his great uncle was Steiner which certainly helped him in his career, particularly when he went to the University of Berlin.
Karl Geiser 's ama ay isang karne ngunit ang kanyang mga dakilang tiyuhin ay Steiner na tiyak sa kanya ng kanyang karera, lalo na kapag siya nagpunta sa Unibersidad ng Berlin.