Premise: Carol Ann Crawford (February 22, 1934 – August 10, 1982), also known as Carol Stolkin and Carol Ross, was an American backgammon and bridge player from Buffalo, New York who spent many years in Detroit, Michigan.. In 1973, she became the second woman to win the world backgammon championships.
Hypothesis: Crawford, Stolkin and Ross were the same person, but had distinct personalities based on how she was addressed.