Named for two of Penn’s premier research scientists Britton Chance, and Eliot Stellar who for a time served as Provost during the Meyerson Presidency Its principal feature is the decorative masonry skin which explores the possibilities of the Flemish-bond brickwork that had become a principal motif of the University campus.  The building’s south facade is split by a recess containing a large stainless ventilator tube that denotes the laboratory function. The entrance is marked by a small zone of brown granite with a curving glass-block wall  and  yellow oak doors.