of Cleveland's millionaires' row. This location was first opened to the public June 24, 1922. The museum received the precious stone collection of Jeptha Wade II, after his death in 1926. In 1930, the museum organized an ornithological safari to Kenya, expanding the Case collection. The Haplocanthosaurus dinosaur, discovered by museum crew in 1954, is one of the most complete examples ever found of this 70-footlong sauropod. Beyond their walls, the museum participated in the operation of the Cleveland Zoo from 1940 and 1975; it also served as a leading force behind the creation of the Cleveland Aquarium, which it administered until 1985. In 1995 the museum maintained 12 natural areas in surrounding counties as sanctuaries. In 1958, the museum moved to its current location in University Circle at Wade Park. The new, two-level building housed exhibits and educational activities, while the collections were stored off-site. Additions quickly followed, including an observatory, planetarium and the Kirtland Hall of Nature. The Ralph Mueller Observatory opened in December 1960. It houses a 10½-inch refracting telescope built by the Warner & Swasey Co. of Cleveland in 1899. J.A. Brashear Company of Pittsburgh, Pennsylvania, a division of American Optical Company, ground the optics. Warner & Swasey Co. originally donated the telescope to Western Reserve College (now Case Western Reserve University). It was located on the roof of the university's physics building for 61 years before being acquired by the museum. An 85,000 square feet addition in 1972 enlarged the museum, adding galleries, the Murch Auditorium, the Harold T. Clark Library and Rare Book Room, classrooms, a paleontology laboratory, and the front entrance and lobby. This created a circular building with a courtyard in the middle. In 1973, curator Donald Johanson joined an archeological expedition in Ethiopia, where he discovered "Lucy," deemed one of the most important fossil finds in human evolutionary studies. This Australopithecus afarensis demonstrated modern upright walking in a 3.2 million-year-old female hominin. A new 62,000-square-foot wing on the back of the museum was completed in 1989. It added a large exhibit hall for traveling exhibits, as well as an expanded gift shop and three floors for collections and administrative offices. In January 2002, Shafran Planetarium opened to the public. Designed by Cleveland architectural and engineering firm Westlake Reed Leskosky (now DLR Group), the building exterior functions as an astronomical instrument. Nightly, visitors can use the building's angled roof to locate Polaris.