When Dolly Parton was born in 1946, average U.S. life expectancy was 77.64 years for women and 71.65 years for men. As with much of her life, she exceeded expectations, living to be 80.60 years old. Women’s labor force participation was roughly 28% that decade, climbing to about 31% by 1950 as the postwar economy reshaped who worked and why. Table 1: …