Recent studies clearly link adult playfulness to mental health benefits. These include enhanced creativity, better social ...

"I was awfully curious to find out why I didn't go insane," remarked Abraham Maslow, one of the founders of humanistic psychology. He was born and raised in Brooklyn, the eldest of seven children.

Kaplan’s formulation was reworded to the more familiar expression, “If all you have is a hammer, everything looks like a nail,” by psychologist Abraham Maslow. This concept, now known as ...