Final answer:
Bear Grylls was named the youngest 'Chief Scout' of British scouting in 2009 known for his show 'Man vs. Wild.' As Chief Scout, he became the figurehead of the UK Scout Association, motivating young people about adventure and survival skills.
Step-by-step explanation:
The TV host who was named the youngest "Chief Scout" of British scouting in 2009 is Bear Grylls. Bear Grylls, a notorious adventurer and survival expert, is well-known for his television series 'Man vs. Wild'. The role of Chief Scout is a significant appointment within the UK Scout Association, representing the figurehead and leader to all scouting members.
Through his appointment to Chief Scout, Grylls has inspired a generation of young people with the spirit of adventure, survival skills, and the importance of mental and physical challenges. The title of Chief Scout is an honorary position that dates back to the foundations of the Scout Movement by Robert Baden-Powell in 1907. Bear Grylls succeeds other famous figures in this role, such as Peter Duncan and Robert Baden-Powell himself, though Grylls has been credited with bringing a modern, high-energy interpretation to the position.