Groovy Age Gold: "The Riddle of the Clown" by Kanigher and Kubert

If you're a regular reader of DotGK, then this piece of Groovy Age Gold won't need an introduction. If this is your introduction to the Golden Age Greats (writer, artist, and/or characters) we're about to enjoy...you're welcome. From Detective Comics #439 (November 1974, originally published in Flash Comics #92, cover-dated February 1948), here are Hawkman and Hawkgirl in "The Riddle of the Clown" by Robert Kanigher and Joe Kubert!