10,11, or 12
he as 10yrs old
His first television appearance was when he was only 5 years old.
Swimmer Michael Phelps was only fifteen years old when he made his first appearance at the Olympic Games.
about 7 years old?
16
Kirk Norcross made his first appearance in 'The Only Way Is Essex' in 2010. He was 22 years old when he made his debut. After leaving the show, he made a brief return in 2012, but left again in 2013.
The energy drink Red Bull was launced in 1987 and made it's first appearance in the US in 1997.
He was 33 years old.
37
Faraday was born in 1791, and he first made a small-scale dynamo in 1831.
Michael Jackson was born in 1958 and he made you are not alone in 1995. So he was approx. 37 years old.
She was 13 when she made her first appearance on a TV special, where she performed "Ce n'était qu'un rêve."