This document provides biographies of three individuals and information about their fields of research: - Mehmet Öz is a Turkish-American cardiothoracic surgeon known for his research in heart surgery, cardiothoracic surgery, and valve surgery. - António Rosa Damásio is a Portuguese neuroscientist whose research interests include the neurobiology of the mind and neural systems related to memory, language, emotion, and decision-making. - Daniel Goleman popularized the concept of emotional intelligence and described its importance in self-awareness, social awareness, self-management, and social skills.