This number was first proposed in the 1990s by the British anthropologist Robin Dunbar, who found a correlation between ...

An curved arrow pointing right. In the early '90s, anthropologist Robin Dunbar proposed that a human being has the capacity to have up to 150 meaningful relationships. Dunbar did a study of human ...

However, several studies have identified some interesting trends. Robin Dunbar, a psychologist and anthropologist at the ...