 Complete the following phrase:  For several years a Masonic group had been looking for a site to build a large temple complex. The group purchased Oak Lawn in 1922 for 900,000, a significant amount of money at the time, and the property was nicknamed Temple Heights or Temple Hill for many years. Architects James R. Marshall and Frank G. Pierson were hired to design the 3,000,000 complex, which was to include a central tower, neoclassical temples, and an auditorium seating 3,000 people. Each building in the complex was meant to represent various Masonic organizations, including the Scottish Rite, Royal Arch Masonry, and Knights Templar. The Masons began a fundraising campaign that lasted until the 