When you look at the science fiction from any previous era you get an insight to what they thought was modern and thus futuristic. You also get an insight into how they looked at the future itself: This RCA Victor album cover from 1958 views modernism as a moonscape (this was the dawn of the space age after all) and the dancer shows a certain amount of humor — and with a booming economy there was good reason to be optimistic at the time.
Cover found by Thomas Hughes of the Spinto Band.