English department was allowed to share the space due to the lack of buildings. The David O. McKay Building was completed in 1954 for the College of Education. The college shared its walls with some other humanities disciplines until the campus was expanded more in later years. The Benjamin Cluff Jr. Building, along with two greenhouses, was built to house the laboratories for the College of Biological and Agricultural Sciences in 1955. These buildings were torn down for the new Life Science Building completed in 2014. The Howard S. McDonald Student Health Center, which also housed the Air Force ROTC program, was completed in 1955 and contained an x-ray room and a hydrotherapy room. A separate Student Health Center now exists. The Howard S. McDonald Building now contains BYU's MRI Research Facility. The Joseph F. Smith Family Living Center was built in 1957 to house the College of Family Living. Dedicated in 2005 and still home to the College of Family, Home and Social Sciences, the Joseph Fielding Smith Building took the place of the Family Living Center. A number of other smaller, miscellaneous buildings were built in the 1950s, including a ticket office for the football stadium and a poultry laboratory for the Animal Science Department. Significant effort was also put into improving the campus utilities and landscaping. The Department of Physical Plant was established in 1954. Due to the nearly seventy hours of work he was putting in per week, Wilkinson suffered a heart attack in October 1956. He was permitted to return to work in January 1957. Taylor, Edwards, and Berrett took over his responsibilities while he was recovering. The Second Era: 1957–1971 Building construction With the continuous growth of the student body, Wilkinson understood the need to continue expanding campus. The first large project was the BYU Motion Picture Studio (now the LDS Motion Picture Studios), built in 1958. In 1961, At a cost of nearly $4,000,000, the J. Reuben Clark Jr. Library (now the HBLL) was built due to lack of library resources and space in the Heber J. Grant Library. The library was built to accommodate 3,000 people and house one million books. The Jesse Knight Building was completed in 1960 to house the College of Commerce. Plans were made in early 1960 for a new student center; student costs were raised by ten dollars each student to raise the funds for the project.