This document provides an overview of the history and development of the concept of emotional intelligence. It discusses how early researchers like Wechsler recognized the importance of non-cognitive abilities. In the 1990s, Salovey and Mayer coined the term "emotional intelligence" and defined it as involving the ability to monitor and use emotions. Goleman brought the concept to popular attention in his 1995 book. Research has found emotional intelligence abilities like handling frustration and controlling emotions are better predictors of life success than IQ alone. The document establishes the scientific foundation of emotional intelligence while acknowledging popular interpretations as well.