university's most famous alumnus was graduate student and professor Robert H. Goddard, a pioneering rocket scientist who conducted many experiments on campus. Clark's first president, G. Stanley Hall, founded the American Psychological Association in July 1892 at Clark. Grayson L. Kirk, a president of the Council on Foreign Relations during the Cold War and the president of Columbia University during the student protests of 1968 received his master's degree from the university, as did D'Army Bailey a prominent civil rights activist and the founder of the National Civil Rights Museum in Memphis, Tennessee. Clark is also notable for being the site of Sigmund Freud's only lectures in the United States and for being the university where Chinese poet Xu Zhimo earned his BA.
== In popular culture ==
Gus Van Sant's The Sea of Trees was filmed in part on Clark University's campus. Leading actor Matthew McConaughey's character, Arthur Brennan, is a physics professor and scenes were filmed in and around Clark's Sackler …
