F. O. Stanley and his twin brother, F. E., invented the Stanley Steamer. F. O. had tuberculosis in his fifties and the doctor sent him to Colorado, where he eventually recovered and prospered. Rather than going into detail about F. O.'s life, let me provide you with a link HERE. His story is very interesting, and I encourage you to read about him. Estes Park wouldn't be what it is today had it not been for this man.
It's still in use!