German sculptor most famous for his piece titled Ape with Skull. He also made a tribute to Alfred Nobel called Dynamite in the Service of Mankind.
He worked as an import and export merchant, living in San Francisco.
He is known for producing a large number of works in a short span.
He married Emma Levy in 1880, but she died only a year later.
He and Antoni Tapies were both sculptors who worked in Germany.