Tuttle was a perfect jurist for the challenge: he possessed great personal courage, sound judgment, and a belief in common law development.
Tuttle was born in Pasadena, California, on July 17, 1897, and in 1906 he moved with his family to Hawaii, where his father, Guy Harmon Tuttle, had accepted a position as bookkeeper on a sugar plantation.
Tuttle was president of his senior class, and after graduation he enlisted in the U.S. Army in 1918 as a "Flying Cadet" in the artillery's observation corps.
Tuttle was a reporter for the New York Evening World for several years while going though law school.
Tuttle was a member of the Pi Kappa Alpha Fraternity.
Tuttle served in World War II and was awarded numerous medals for his service including the Purple Heart with Oak Leaf Cluster, the Legion of Merit, the Bronze Star, and the Bronze Service Arrowhead.