Robert Sutton Harrington
Robert Sutton Harrington ( October 21 , 1942 – January 23 , 1993 ) was an American astronomer who worked at the United States Naval Observatory ( USNO ) . 
<triplet> Robert Sutton Harrington <subj> October 21, 1942 <obj> date of birth <subj> January 23, 1993 <obj> date of death