His younger brother, Edgar, was a German left-wing journalist who was sent to prison for his political positions and later became a police spy in London for the danish goverment, reporting, among others, about Karl Marx.
His younger brother was a German left-wing journalist. This wing journalist was sent to prison for his political positions. This wing journalist later became a police spy in London for the danish goverment among others. This was about Karl Marx. The danish goverment was reporting. Edgar was his younger brother.