Franz Neumann was a member of a generation that saw the end of the Kaiserreich and the beginnings of a democratic republic carried by the labor movement. In Neumanns case this involved a practical and professional commitment first to the trade union movement and second to the Social Democratic Party that gave it political articulation. For Neumann to be a labor lawyer in the sense developed by his mentor Hugo Sinzheimer was to engage in a project to displace the law of property as the basic fram