 Robert Quarles Marston ( February 12 , 1923 – March 14 , 1999 ) was an American physician , research scientist , governmental appointee and university administrator . Marston was a native of Virginia , and , after earning his bachelor 's , medical and research degrees , he became a research scientist and medical professor . He served as the dean of the University of Mississippi School of Medicine , the director of the National Institutes of Health , and the president of the University of Florida . 
