Real world article
(written from a production point of view)
Sheldon "Shelly" Leferman (22 August 1922 – 30 March 2007; age 84) was a comic book artist. He worked for both DC and Marvel Comics from the early 1970s through to the early 1980s, primarily as a letterer, but occasionally did colors for some of their titles.
He did both the coloring and lettering for issue #18 of Marvel's Star Trek series, "A Thousand Deaths".