'Share on Twitter' Three Wohlgemuth generations Aug 20, 2016 0 Comment Betty Katz Wohlgemuth, Helga Ringel, Elly Wohlgemuth Ringel Machinist The chief poobah at Family History Machine is Dan Ruby, aka Machinist. He created FHM as a tool to present his own family history, then opened the platform for other family storytellers to do the same. PreviousNext Story Portfolio Explore Themes Sources & Methods No results No results