"Professor Emeritus Oskar A. Johannsen, 92, of 712 N. Cayuga St., Ithaca, died at Oak Hill Manor on Tuesday, Nov. 7, 1961. Prof. Johannsen was heard of the Department of Entomology at Cornell University when he retired in 1938 ... Born in Davenport, Ia., in 1870 ... Prof. Johannsen is survived by his widow, Mrs. Harriette Fuller Johannsen; a daughter, Mrs. Mason Crook of Somerville, Mass; two sons, Laurence of Boulder, Colo. and Robert of Ithaca ..."

Ithaca Journal, Nov. 7, 1961, 3.