These 10 entrepreneurs launched and grew thriving businesses before the age of 21. Here are their secrets to success.

In Hollywood, children of famous actors becoming actors themselves is commonplace, but having a family with three generations ...

Stephen Hawking At the age of 22, renowned theoretical physicist Stephen Hawking was diagnosed with a rare form of amyotrophic lateral sclerosis, a motor neuron disease (MND). Confined to a wheelchair ...