Jeanne Eagels (June 26, 1890 – October 3, 1929) was an American stage and film actress. A former Ziegfeld Girl, Eagels went on to greater fame on Broadway and in the emerging medium of sound films. She was posthumously nominated for the Academy Award for Best Actress for her 1929 role in The Letter after dying suddenly that year at the age of 39. That nomination was the first posthumous Oscar consideration for any actor, male or female.

Eagels began her acting career in Kansas City, appearing in a variety of small venues at a very young age. She left Kansas City around the age of 15 and toured the Midwest with the Dubinsky Brothers' traveling theater show. At first, she was a dancer, but in time she went on to play the leading lady in several comedies and dramas put on by the Dubinskys. As a teenager, she married Morris Dubinsky, who frequently played villain roles.

During the peak of her success, Eagels began abusing drugs and alcohol and eventually developed an addiction.

In September 1929, Eagels underwent eye surgery at St. Luke's Hospital in New York City. At the time, she was also suffering from breathing problems and neuritis. After a ten-day stay, she returned to her apartment on Park Avenue. On October 3, 1929, Eagels and her secretary walked to the Park Avenue Hospital where Eagels had an appointment. While talking to the doctor, she began having convulsions and died shortly thereafter.

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