As the title states, who do you think was Britain's greatest manager and possibly the greatest of all time? Sir Alex Ferguson - Took Aberdeen to new heights and created United into the dominate English powerhouse we all grew up watching and continued to build success year after year. Matt Busby - Head intellect in transitioning youth into the first team, founder of the historic Busby Babes, rebuilt United after the Munich Air Disaster and molded the legendary United Trinity of Charlton, Best, and Law. Bob Paisley - Led Liverpool to their most prestigious era with three European Cup wins as well as winning 20 major honors in 9 years. Bill Shankly - Took Liverpool from the second division and responsible for building them into the upcoming dynasty that was to inevitably happen. Brian Clough - Only manager to win the league with two different clubs, historic legendary status of starting from scratch and building on. Led Derby to their most proud period and Nottingham Forest to two European Titles. Discuss.