Roy L. Prosterman, a lawyer who left a lucrative corporate law practice to champion land reform in the underdeveloped world, died on Feb. 27 at his home in Seattle. He was 89. His death was announced by the Seattle land-rights…

Roy L. Prosterman, a lawyer who left a lucrative corporate law practice to champion land reform in the underdeveloped world, died on Feb. 27 at his home in Seattle. He was 89. His death was announced by the Seattle land-rights…