James Baumgart (born 1938), former American member of the Wisconsin State Assembly and the Wisconsin State Senate
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Lloyd R. Baumgart (1908–1985), former American member of the Wisconsin State Assembly
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Bernd Baumgart (born 1955), German rower who competed for East Germany in the 1976 Summer Olympics
He owned his own studio, Birdland with producer Lindsay Gravina and worked in event musicals for a number of years until, in 1998 was asked by Klaus Baumgart to create a series of musical and audiobook productions for the successful "Laura's Star" series.