Carmen, maybe you can hit him up for some free samples to try in your spare time. See if he still has an "in" at the brewery and convince them to start an Old Dusseldorf brand.
Read a story in our local newspaper about the man who brought the first german beer to Hawaii. It was "Hannen Alt" http://www.hannen.de/produkte/images/sortiment/k4.jpg and it came in fact from Mönchengladbach, a town near Düsseldorf. Must have been in the seventies or early eighties. Funny thing is...
About 10 years ago my now nearly 20 year old son decided "to be MacGyver" so he refused to have a haircut for almost a year and always carried chewinggum, some kind of tape, a ballpen and some cord with him