The diplomat and lawyer who helped author the treaty used around the world to guide restitution claims is representing the family of a childhood friend, which has been sued to surrender a painting.The diplomat and lawyer who helped author the treaty used around the world to guide restitution claims is representing the family of a childhood friend, which has been sued to surrender a painting.Read MoreArt, Arts and Antiquities Looting, Holocaust and the Nazi Era, Eizenstat, Stuart E, Kainer, Margaret, Kainer, Ludwig (1885-1967), Horowitz, Gerald D, Carter, Jason (1975- ), Pissarro, Camille, Pearlann Horowitz, James Palmer, Mondex Corp
