Services for Dr. Elsie Null, 93, of Chickasha are scheduled Thursday (May 6) at 1:30 p.m. at Ferguson Funeral Home. Dr. Null taught for more than 38 years at this institution, spanning all three legacies -- from the World War II days at the Oklahoma College for Women, through the Oklahoma College of Liberal Arts period, and into the modern University of Science and Arts of Oklahoma era.