This is Hunter Klein's remarkable story. Instagram: @itshunterklein You can check out his app here (not sponsored, just a great app): https://www.kleintrainingapp.com/ All filming done by the incredible Randy Baca. Instagram: @randybaca_ A big shout-out to Jaxon Hadlock for playing young Hunter. Shout-out to Will Oviatt for the cameo. Instagram: @the.quantum.boy Hunter went from working on a farm to doing research for NASA. He then went on to form a start-up by creating a fitness app.