Bill Shankly offered little public recognition for Bob Paisley's contribution to his own success and was such a shadow after resigning that Paisley had to ask that the Scot stay away from Liverpool's training sessions.
Behind the club's greatest double act lay a difficult relationship.
Paisley was in the early weeks as manager when Shankly met one of the club's young strikers at the training ground.
'All right, son?' Shankly said to Trevor Birch. 'Bob's doing well, isn't he?