Frick Center. Built in 1964 and formerly known as the College Union Building, it was renamed in 1994 to honor the university's eleventh president, Dr. Ivan E. Frick and his wife Ruth Hudson Frick. The Frick Center also houses the Blume Board Room, named in honor of former board of trustees member and graduate Allen C. Blume (1955) and his wife Phyllis, as well as the Brune Patio, named in honor of graduate and benefactor Joan Brune (1951) as a gift to the university from her husband, graduate and benefactor Lester H. Brune (1948). The Barbara A. Kieft Accelerator ArtSpace houses a 750,000-volt Cockcroft-Walton particle accelerator. Originally built by Dr. Sam Allison, professor of physics at University of Chicago, it was moved to Elmhurst in the late 1960s and became operational in 1973. The accelerator was deactivated when the building began its new life as an art exhibition space in 2004. The A.C. Buehler Library, named in honor of the former president of the Victor Comptometer Corporation and board of trustees member, is home to over 237,000 volumes and a highly regarded collection of Chicago Imagists art. It opened in 1971 and was renovated in 1993 and again in 2002, due to a donation from the estate of graduate Gladys (1940) and Ray Robinson. The library now has almost a hundred computers for general use and thousands of audio-visual materials. The library is also home for the Learning Center (tutoring and study skills assistance for students), the Center for Professional Excellence, which provides career guidance, resume assistance, internships, networking, mentoring and job shadowing opportunities for all students, as well as the Rudolf G. Schade Archives and Special Collections and the Honors Program student lounge. Daniels Hall, renamed in 2008 in honor of former Speaker of the Illinois House of Representatives and current Elmhurst University faculty member Lee A. Daniels, is home to the computer laboratories, the departments of Mathematics, Computer Science and Information Systems, World Languages, Literatures & Cultures, Intercultural Studies, and Geography and Geosciences. It opened in 1988 as the Computer Science and Technology Center. Daniels Hall is also home to the Graduate Admission office, as well as general classrooms, the Gretsch Recording Studio (named in honor of benefactor and graduate Fred Gretsch (1971) and his family), and specialized computer laboratories, including the Esports practice facility. Constructed in 1911 as a dormitory and named for the fourth president, Daniel