Pan American-Grace Airlines formed in 1928. It combined Pan Am and W.R. Grace & Co. The latter was already a formidable cultural force in Peru as early as the 1920s. On July 16, 1932 a Pan Am-Grace Ford Tri-Motor airliner, the San Jose, disappeared in the Andes Mountains near Santiago, Chile. The plane carried six passengers and a crew of three. The pilot was renowned international flier Charles R. Robinson of Chicago. Two others on the flight were American citizens. Also on board was a nephew of the President of Chile.