Background
CHRISTOFFEL, Arthur Rangel was born in Sao José dos Pinhais, Paraná, Brazil.
CHRISTOFFEL, Arthur Rangel was born in Sao José dos Pinhais, Paraná, Brazil.
Engineer, state division of public works, Sao Paulo, 1911-1920. City engineer, Sao Paulo, 1920-1921. Engineer, Compania Construtora de Santos, 1921-1922.
Partner, Rangel Christoffel e Compania Ltda., 1922-1939, Rangel Christoffel e Olavo Caiuby Ltda., 1939-1943. Secretary, Sind, da Construgáo Civil de 'Grandes Estruturas, 1942-1945. Civil Engineer, University de Paraná, 1919.
Member Brazilian committee to study, with United States tech, commission, the problems of effective economics mobilization of Brazil for the war effort, 1942. Member: Institute de Engenharia (Sao Paulo), Associagáo dos Engenheiros de Santos, Jockey Club, Clube Comercial, Society Harmonía de Tenis.