Focuses on availability of different versions of death of Duff Twysden, Ernest Hemingway's model for fictitious character Lady Brett Ashley in one of his novels, in Bertram D. Sarason "Hemingway and the Sun Set." Probable place of cremation of Duff; Cause of death; Reason for shifting Duff at St. Vincent's Hospital in Santa Fe, New Mexico; Mystery surrounding Duff's name.