the Six Degrees of Kevin Bacon is a social theory that suggests most people on Earth can be connected through six steps of relationships it became famous through the Kevin Bacon game also known as the Six Degrees of Kevin Bacon or the Kevin Bacon index the theory of six Dees was proposed first and later applied to Kevin Bacon because he was a prolific actor in the US easily recognizable by anyone thinking of celebrities or actors thus the game was named after him if people around you act as intermediaries even if the starting person and the target person do not know each other they can be connected within six steps like a friend of a friend of a friend