Final answer:
The famous American thanatologist is Kubler-Ross. She was a psychiatrist and pioneer in the study of death and dying.
Step-by-step explanation:
The famous American thanatologist mentioned in the question is Kubler-Ross. Elisabeth Kubler-Ross was a psychiatrist and pioneer in the study of death, dying, and the emotional needs of terminally ill patients. She is best known for her book 'On Death and Dying,' which introduced the famous 'Five Stages of Grief' model.
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