A German revolutionary, born at Eichtersheim, Baden; practised as an advocate in Mannheim, and in 1842 became an active democrat and Socialist; frustrated in an attempt during the '48 Revolution to create a republican assembly, he headed a revolutionary attack upon Baden, was defeated, and subsequently settled in the United States, where he took to farming; took part in the Civil War at the head of a regiment of Germans, and became a commander of a brigade (1811-1881).