1962. Equatorial Sundial:David L. Rodgers was commissioned to create the functional sundial in 1985. It was fabricated of Indiana limestone in Bloomington, Indiana, and installed in front of the Community Mausoleum in 1987. The Hoosier Artists Contemporary Sculpture Walk: Established to mark Crown Hill's 140th anniversary, the walk includes works by ten artists, including Michael B. Wilson's "Social Attachments" and Eric Nordgulen's "Antenna Man". Holcomb Mausoleum Door: Part of a memorial for James Irving Holcomb, an Indianapolis industrialist and a Vice President of the Butler University board of trustees Notable memorials Medical Science Donor Memorial, installed in 1991. In 1978 the Anatomical Education Board of the Indiana University School of Medicine purchased Section 41-A to inter the cremated remains of bodies that had been studied. As of 2011 more than one thousand medical donors have been recognized at the memorial. Indiana AIDS Memorial, dedicated on October 29, 2000, is the first permanent AIDS memorial located in a cemetery. The Heroes of Public Safety monument, dedicated on September 11, 2002, is inscribed with the names of police, firefighters, and other public safety personnel who died in the line of duty. The Hearts Remembered Memorial, dedicated on June 4, 2006, remembers the city's orphaned and abandoned children, many of whom were buried in unmarked graves. Structures Gothic chapel – Indianapolis architect Diedrich A. Bohlen designed the High Victorian Gothic-style chapel and vault, which were built east of the National Cemetery in 1875 at an initial cost of $38,922. They replaced an earlier vault that was used as temporary storage for bodies awaiting burial. In 1917 D.A. Bolen and Son designed an addition to the structure designed by D. A. Bohlen, the architectural firm's founder. The chapel and vaults were restored in the early 1970s at a cost of $120,000. CSO Architects began a major renovation and expansion in 2001. The project cost $3.2 million and received an excellence in Architecture Award from the American Institute of Architects, Indiana chapter, in 2007. East gate, Waiting Station, and Porter's Lodge – Adolf Scherrer, an Indianapolis architect of Swiss origins, designed the High Victorian Gothic gateway and Waiting Station for the cemetery's main entrance at 34th Street and Boulevard Place. Construction began in May 1885. The three-arched gateway was completed in November 1885, in time for the funeral of vice-president and former Indiana governor Thomas A. Hendricks. The gate was built of Bedford limestone. The