Main Page | See live article | Alphabetical index Johnny Ball (born May 23, 1938) is a British television personality. He was a regular fixture on children's television in the 1970s and 1980s and fronted such programs as "Think of a Number" and "Johnny Ball knows all". He is the father of Radio 1 DJ Zoë Ball. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.