Donald Douglas was an aircraft engineer from the United States. His first plane was the Douglas Cloudster. The aircraft's purpose was to fly across the United States without any stops. Unfortunately it fail but it became the first aircraft to have a payload heavier than the aircraft itself. Douglas then founded the Douglas Aircraft Company which was the leading company in commercial aviation. One of the company`s leading aircraft was the DOUGLAS DC-3. Donald Douglas became one of the most influential people in commercial aviation.