After the trip, Lewis sort of went nuts. No one knows for sure if he was murdered or committed suicide. There's evidence both ways. It's speculated that he might have been in the later stages of syphilis which can affect the brain. The disease goes through a latent period with no symptoms. That period can last from a year to decades. They spent quite a bit of time in St Louis while getting outfitted. He could have easily caught it in a brothel and been in a full blown final stage on their return 3 years later.


β€œIn a time of deceit telling the truth is a revolutionary act.”
― George Orwell

It's not over when you lose. It's over when you quit.