Career
He worked with the character for around forty years, although he did not get any official cr for it until penciller Sy Barry retired and Keith Williams took over as the new inker. Olesen also illustrated a few Phantom stories for the Scandinavian Phantom comics, which he both pencilled and inked. During World World War II Olesen served as a B-24 pilot in the Burma campaign.
After the war he earned an illustration degree from the Pratt Institute.
Olesen retired in 2005, leaving Paul Ryan to take over both the pencilling and inking jobs on The Phantom. Olesen died on October 15, 2013.