Every idea comes from a specific head. The very thought of imagination requires people. These represent, with apologies to Walt Disney, the imagineers of Astronomy and Space Exploration. Without them, we’d be nothing but apes throwing bones at an alien black monolith (wait, wasn’t that in Popular Culture?). Now, here are the rules for the People Category: We don’t list anyone we’re related to and we list any living person. That’s fair, isn’t it?