F. Klaus, who singed the first panel of the comic below, is really Nordling. He did do the pencil work here, if not the writing. The writer is is marked as unknown by the Grand Comics Database, but Nordling did the writing on a number of strips.Now to see some early work! Here is Mystery Men #12 (July 1940)"The Stuffed Fish Smugglers"
Klaus Nordling (Artist Profile)
Nordling, Klaus (Who's Who Bio; A few of his pen names, and a list of known works)