'If ever any one man won the Battle of Britain, he did. I don't believe it is realized how much that one man, with his leadership, his calm judgment and his skill, did to save not only this country, but the world.' So wrote Marshal of the RAF Lord Tedder in 1947. As commander of No. 11 Group, Fighter Command and responsible for the air defense of London and South-East England, Keith Park took charge of the day-to-day direction of the battle...