It was 50 years ago today that the Beatles released “Sgt. Pepper’s Lonely Hearts Club Band.” In addition to being one of most influential rock albums of all time, “Sgt. Pepper” sported one of history’s most memorable album covers with the “Fab Four” dressed in brightly colored military-band costumes and surrounded by cardboard cutouts and wax figures of dozens of celebrities and historical figures including Karl Marx, Edgar Allan Poe and T.E. Lawrence. There were five figures initially proposed for the cover art, however, who failed to make the final cut.