sentences:  Sargent Hall opened in 1950, Shepard Hall opened in 1952, Kresge Hall, Bobb Hall, and McCulloch Hall opened in 1955, Elder Hall was completed in 1959, Allison Hall in 1960, and Alice Millar Chapel was finished in 1964.The first computer on campus was installed in Dearborn Observatory in 1949 and in 1950 a dedicated Computer Center opened featuring an IBM 650 mainframe computer.A $2 million IBM 709 was installed in July 1961 in the Technological Institute for computing satellite orbits among other problems.