Mark Twain once said: “The two most important days in your life are the day you are born and the day you find out why.”

For some lucky people, “the day you find out why” arrives at an early age. But for many of us, finding our passion takes longer.

Vera Wang was 40 when she launched her beautiful line of bridal wear.

Pat Brown was almost 60 when he decided to find a way to produce delicious, affordable meat and dairy products directly from plants....