…he got a job for a contractor supplying art to NASA’s Lewis Research Center in Cleveland. He didn’t know much about aviation or space art, but he was a graphic artist, a journeyman artist, used to depicting things that other people described for him. Lewis’ engineers would come to him with their description of some new aircraft or spacecraft design. “They come in and tell you what they want,” he said. “It’s blue collar art.”
It’s an interesting read, check it out!