British runner Roger Bannister wins race, breaks four-minute mile in 1954

The transcript discusses the anticlimactic nature of certain races compared to the historic achievement of Roger Bannister, a young doctor from England, who became the first person to run a mile in under four minutes, marking a significant milestone in track and field history.

In what context is the phrase 'history making young doctor from England' used?

What does it mean to have 'an itch all of his own' in the context of Roger Bannister's achievements?