 Consequently, in the hopes of striking it rich, the Loughead brothers spent two unsuccessful years prospecting in California's gold country.With the financial aid of Alaskan pioneer Paul Meyer, Allan and Malcolm Loughead bought the Model G back in 1915 and opened a flying concession at the Panama-Pacific International Exposition in San Francisco.In five months, they took 600 paying passengers aloft and netted $4,000.