You know what the best part of the stars is?" "What's that?" "They're the same no matter what sky you're standing under. I mean. . . yeah, they might move or look like they're in a different place, but they're the same stars. " "Yeah? So?" "So even if you're apart from someone you want to be with, you can look up at the stars and know they're looking at the same ones.
I do as much research as is physically possible when I'm playing a real person, be they alive or dead.