“Doctor Bates” was well known in the homeless camp where she lived until she died on the tracks behind The Lumberyard. From what you’ve heard, the name “Doctor Bates” is old hobo slang for a tough hobo, and probably wasn’t her real name. From what you know of her, she was fond of using archaic hobo phrases, like referring to some as “yeggs”(roving criminals), “high jackets” (yeggs who rob hobos) or “dingbats” (a dreg of vagrantdom mooching off other hobos).
From what you know of her, she was well-travelled. You’ve heard that the significant Items found in her tent included a medallion of Lindbergh’s Spirit of St. Louis.