[4] Student leaders and faculty members of the University of North Carolina at Chapel Hill led a campus movement in opposition to the law, which climaxed with the invitation of speakers Herbert Aptheker (an avowed communist) and Frank Wilkinson (an outspoken critic of the House Un-American Activities Committee).

On March 2, 1966, Frank Wilkinson spoke to a crowd of more than 2,000 students from across a wall that separated the campus of the University from the surrounding town of Chapel Hill - thereby avoiding trespass of the law.

Throughout Sitterson's career as an administrator at the University of North Carolina at Chapel Hill, he continued to teach courses in history.

Sitterson also worked with a number of service organizations, specifically Research Triangle Institute and the North Carolina Center for the Advancement of Teaching (NCCAT), a group formed in 1984 with the goal of promoting professional development among teachers in the arts, sciences, and humanities.

[7] In 1987, the University opened Sitterson Hall, named for the former chancellor, which is currently the home of the UNC Department of Computer Science.