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It’s 40 years since Evel Knievel jumped 13 buses in front of a crowd of 90 thousand at Wembley. His son Kelly says his father was "too busy living it" to know what an icon he was at the time.

Knievel crash-landed and was left with a broken right hand, a compressed fracture of the fourth and fifth vertebrae in the lower part of his spine, a fractured left pelvis, and a 7¾-inch split in his right pelvis. He said he’d never jump again, but was back on the bike within months.

Son Kelly said jumping a motorcycle "isn't going to change the world" but his father was "so rare and captivating" that people had to watch him.

This clip is originally from 5 live Breakfast on Wednesday 20 May 2015.