English: Ralph K. Davies, George Hull, W. Alton Jones and Burt Hull at the “Big Inch” opening (February 19, 1943). Petroleum Administration for War. NARA 253-CD-17-19.
The Truman Library adds this detail about the subjects: From left to right: Ralph K. Davies, Deputy Petroleum Administrator for War; George A. Hill, Jr., Executive Vice President, Defense Supply Corp.; W. Alton Jones, President WEP [War Emergency Pipelines Inc.]; and Burt E. Hull, WEP, Vice President.