In 1979 , he was elected by the Board of Trustees as president emeritus .
Following the 1969 resignation of James A. Perkins , Corson became president of Cornell and served until 1977 after which he served for three years as chancellor .
In 1979 , Corson was elected by the Board of Trustees as president emeritus .
Following the 1969 resignation of James A. Perkins , Corson became president of Cornell and served until 1977 after which he served for three years as chancellor .