The presenter of many popular children's educational programs, he joined the cast of Strictly Come Dancing in 2012.
From the late 1970s to the mid-1980s, his programs explained scientific concepts to children in an easily-grasped form, making science cool.
On Strictly Come Dancing, he was matched up with
He had three children. His daughter
Olympian Louis Smith and his professional partner were the winners of Strictly Come Dancing in the 10th series, in which Ball competed.