Nathaniel Branden

Nathaniel Branden, a Canadian-American psychotherapist and writer, was known for his work on the psychology of self-esteem. Before he split acrimoniously with Ayn Rand in 1968, he was her associate and romantic partner and helped promote her philosophy, Objectivism, through the 1960s. His books include Breaking Free and Six Pillars of Self-Esteem, both self-help works built on that later research. Branden died in 2014.