in 1950, auc added its first graduate programs to its ongoing bachelor of arts, bachelor of sciences, graduate diploma, and continuing education programs, and in 1951, phased out the preparatory school program. during the six-day war, auc avoided being nationalized, although most american faculty were forced to leave the country. by the mid-1970s, the university offered a broad range of liberal arts and sciences programs. in the following years, the university added bachelors, masters, and diploma programs in engineering, management, computer science, journalism and mass communication and sciences programs, as well as establishing a number of research centers in strategic areas, including business, the social sciences, philanthropy and civic engagement, and science and technology. in the 1950s, the university also changed its name from the american university at cairo, replacing "at" with "in."