(written from a Production point of view)
Arthur "Art" Thibert is a comic book artist specializing in inking. He is best known for his work on various X-Men titles for Marvel Comics through the 1990s. He also worked for DC Comics, becoming the main inker on The Adventures of Superman over a three-year stretch.
His only Star Trek credits were drawings of "Robert April", "Nancy Bryce" (with Mike DeCarlo), both from "Who's Who in Star Trek 1" and the "United Federation of Planets" logo in "Who's Who in Star Trek 2".