His lifelong fascination with airplanes and the pioneers of early aviation was a constant theme in his art and stories.

Early in World War II, Evans was an aircraft mechanic at Shaw Field in South Carolina, where he sometimes flew in the planes he had worked on.

In the post-World War II years, Evans began working for comic books, including an in-house staff position at Fiction House until 1949.

Originally hired to rule panel borders, erase pencils and fill in blacks for other illustrators, he sat next the teenaged artist Frank Frazetta.

[citation needed] Evans eventually got up the nerve to show his portfolio to the editor where the surprised staffer exclaimed, "What the hell are you doing this job for, when you can draw like this?

His favorite work from this period[citation needed] was for Fiction House's Wings Comics and he did a few illustrations for the company's pulp line as well.

He did occasional work in comic books during this period, most notably for Warren's Blazing Combat black and white magazine and Eerie, Gold Key's The Twilight Zone and Ripley's Believe It or Not!

Al Williamson passed Secret Agent Corrigan on to Evans in 1980, and the strip ended with his 1996 retirement.

Then Evans was lured back, because it turned out that the strip's popularity in European markets justified keeping it going for five more years.

This illustration is on display at the National Museum of the United States Air Force near Dayton, Ohio.

[citation needed] In 1975, the hardcover novel Far Lands, Other Days contained many Evans black-and-white illustrations and a painted cover.

He religiously attended meetings, made presentations, and offered his expertise on all things aviation and art related.

Evans, who in 1982 was living in Levittown, New York, on Long Island,[4] had moved to Mount Joy, Pennsylvania, before he died at age 81.