As a child, Grant began earning money by drawing cartoons for birthday cards. After graduating from
Rindge Technical High School in
Cambridge, Massachusetts, he studied for one year in Boston at the
Vesper George School of Art and then joined the Army in 1958 at the age of 23. While serving in the Army over a decade, he was an infantry officer, eventually being discharged with Captain's rank after two Vietnam tours. Training in Europe as a supply sergeant, he studied Japanese and French. He received airborne assault and parachute training at Officer Candidate School in
Fort Benning, Georgia. In June 1966, he was awarded the Army Commendation Medal for meritorious service in Japan as a deputy information officer and command information officer. In
Vietnam, on February 4, 1967, he took command in
Saigon of the First Signal Brigade's 400-man security force, providing security for 23 Vietnam communication sites, a duty requiring frequent helicopter flights. In
Tokyo, where Grant was a regular cartoonist for
Stars and Stripes, he developed a strong fascination with Japanese comics. He also wrote and drew for Japan's English-language newspapers, including the
Mainichi Daily News. His interest in comics was revived in the late 1960s, as he recalled: '' on March 19, 2007. In 1972, Grant met Betsy Reese, who was also a student at Sophia University. The following year, the couple moved to Cambridge, and they married April 28, 1978. A great-granddaughter of the pioneer Wisconsin landscape photographer
H. H. Bennett, Betsy Reese Grant is the author of
The Bennett Story: The Life and Work of Henry Hamilton Bennett, published by the H.H. Bennett Studio Foundation, Inc. in 1991. ==Graphic novels and
The Love Rangers==