Lackey, Mercedes, and Larry Dixon. "Dance Track"
What if: Isadora Duncan drove an ambulance in World War II Italy, met Ettoire Bugatti and after he offered her a job, pushed her way to becoming a race car driver.
Summary: In the late 1950s, Duncan has retired from driving but works as chief mechanic for a hot young driver out of Hollywood.
Published: In By Any Other Fame (eds. Mike Resnick and Martin H. Greenberg), q.v.