Eartha Kitt (1927-2008), was an internationally famous African-American singer and actress. In this video she is shown performing ballet moves, lifting a barbell, and riding a stationary bike with the help of a personal trainer.
In the early 1920s, Joseph Pilates (1883-1967) developed a series of exercises he named Contrology. Today millions of people worldwide practice his exercise routine, that is now known as Pilates.
In this short archival film Joseph Pilates is shown demonstrating exercises to his students. In another sequence one of his students is shown using the Wunda Chair, that demonstrates her high level of core strength and control.