At age 28, Wayne Coyne (from The Flaming Lips) was a fry cook.
At age 30, Harrison Ford was a carpenter.
At age 30, Martha Stewart was a stockbroker.
At age 37, Ang Lee was a stay-at-home-dad working odd jobs.
Julia Child released her first cookbook at age 39, and got her own cooking show at age 51.
Vera Wang failed to make the Olympic figure skating team, didn’t get the Editor-in-Chief position at Vogue, and designed her first dress at age 40.