Jack LaLanne (1914-2011), born in San Francisco, CA. He opened his first gym in Oakland, CA in 1936called Jack LaLanne Physical Culture Studio located at 409 15th Street, his residence at that time was 4230 Spaulding Ave., in Berkeley.The rent for the gym at that time was $45 a month.3 

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He as "widely considered the founding father of the fitness movement in the United States, preached strength training and healthy eating long before it was fashionable"

He set up a bench press outside of Oakland Technical High and challenged people to out-lift him. He also pull cars down Broadway, challenging folks to beat him. 

He had a television show called The Jack Lalanne Show which started in 1951 on KGO and was syndicated nationwide. The show lasted for 34 years. 3

References

1. "Fitness guru Jack Lalanne dies at 96" USA Today https://usatoday30.usatoday.com/yourlife/fitness/exercise/2011-01-25-lalanneobit24_ST_N.htm

2. Polk's Oakland California City Directory - 1939, Archive.org - https://archive.org/stream/polksoaklandcali1939rlpo#page/517/mode/1up/search/jack

2. http://jacklalanne.com/about/

3. Jack Lalanne Biography. IMDB https://www.imdb.com/name/nm0482364/bio?ref_=nm_ov_bio_sm