埃斯塔(June 17, 1919 – August 17, 2011)，
美国心理学家和认知科学家，现代数学心理学(Mathematical psychology)的奠基者之一。他主要从事对人类和动物学习的研究以及对学习、记忆和决策的数学模型的发展。曾荣获国家科学奖，1962年获美国心理学会颁发的杰出科学贡献奖，1963年当选为国家科学院院士。
Estes is considered to be one of the founders of modern mathematical psychology. He received both his BA (1940) and his PhD (1943) from the University of Minnesota. His early research involved animal learning and behavior. He then went on to research Visual Information Processing and later Math and Computer Modeling of Human Memory and Classification Learning. He received many awards including the Distinguished Research Contribution Award of APA in 1982, the Warren Medal of the Society of Experimental Psychology in 1963, and the American Psychological Foundation Gold Medal Lifetime Achievement in Psychology in 1992.