UCD professor emeritus Richard Harris was a member of the environmental horticulture faculty from 1950-1986, serving as chair from 1958-65 and 1978-83. He was director of the Parks and Recreation Administrators Institute from 1960-84. He served as president of the International Society of Arboriculture, positioning the organization as a worldwide vehicle for enhancing the knowledge and practice of tree care, and was one of the founders of Tree Davis.
