Gogglebox: Johnny Ball jokes about going on Love Island Zoe Ball 's son, DJ Woody Cook, has opened up about his sweet relationship with grandfather Johnny Ball. The TV legend brought maths and science to the masses in an entertaining and accessible way for young people throughout the 70s and 80s. With shows such as Think of a Number, Think Again, Think Backwards, Think.

..This Way and Johnny Ball Reveals All he was an integral part of several generations of children's childhood.

Speaking exclusively to Express.co.uk in advance of his appearance at the forthcoming Mucky Weekender festival, which runs from September 5-7, the 23-year-old DJ said he would love to do more work with the telly icon.

"Well, I'm gonna tell you, never ask him for help with your maths homework," he laughed. "You're gonna get the exact opposite of what you ask for. "You'll get a huge, long roundabout Pythagoras and why the sky is blue [lecture] before you get back to what you are doing," he quipped.

"He's brilliant. He's wonderful. I love spending time with him," he enthused.

READ MORE: Olympics viewers issue same complaint as Lady Gaga performs Johnny Ball, Zoe Ball and Woody Cook have appeared together on Celebrity Gogglebox (Image: Channel 4) "I'd love to do a show with him at some point because he's such a magic man. It's just in our day-to-day we just never get enough time to spend with our families and loved ones because it's just the way the world is, but I'd love to do something with him again," W.