Great Leaders

"Great leaders have ambition beyond their own personal self-interest. They are not satisfied with personal success only, but focus almost entirely upon furthering the vision of the enterprise." -Jim Collins

Ray Kroc is the person who made Mcdonalds what it is today. Kroc discovered the Mcdonald brothers' restaurant in Southern California during the 50s.
The Mcdonald brothers were doing pretty good but did not see the potential they had their hands on. They had the fast food production and delivery down to a science but only Ray Kroc saw the true potential.

Ray Kroc is the person who came up with the idea of franchising the restaurant

Good is the enemy of great. The Mcdonald brothers were doing pretty good and, because of that, could not see the "great" in their system.