Musician, arranger, conductor, and composer Anthony J. Franchini was born on August 2, 1898 in Naples, Italy and immigrated to the United States with his family when he was five years old. With only an 8th grade education, he worked as a music teacher in Massachusetts until he enlisted in the Army during the first World War. When he was discharged, he went to New York City, New York to pursue a career in music.

Consulting geologist and surveyor Franklin Mac Murphy was born on December 27, 1898 in Wheaton, Minnesota. He studied at Columbia University, the University of Arizona, and the University of California, Los Angeles, completing his graduate studies in 1930 at the California Institute of Technology, in Pasadena, California.

American photographer Glenn Augustus Davis was born March 22, 1894 in Portland, Oregon. He attended school in Oregon and Washington prior to working in the lumber camps and saw mills of Washington and British Columbia. He served in the US Army from 1915 to 1920. He was a member of the American Expeditionary Forces (AEF) on the Western Front in France during World War I. In the years following the war, Davis returned to the US and worked as a cook, a cotton grower, and a seaman before following his passion for photography.