Menlo Park, New Jersey the phonograph and developed a commercially viable incandescent light bulb filament. Christie Street in Menlo Park was one of the first streets in the world to use electric lights for illumination. Edison left Menlo Park and moved his home and laboratory to West Orange, New Jersey in 1887. After his death, the Thomas Alva Edison Memorial Tower and Museum was constructed near his old Menlo Park lab and dedicated in 1938. Edison's old lab site and memorial now make up Edison State Park. The municipality in which Menlo Park is located, which was called "Raritan Township" while he was alive,
Menlo School directly into four-year universities as upper-division students. Since the late 1970s, Menlo has undergone a radical transformation. In the fall of 1979, Menlo School began its transition from an exclusively male institution with a small boarding program to a coeducational day school. In the 1993–1994 academic year, Menlo again took steps to ensure its future, dramatically increasing the Upper School’s enrollment, adding grade 6 to the Middle School, and further expanding its female enrollment. The College and School split on June 30, 1994, with further, more specific separations that followed. Menlo School and Menlo College now are wholly independent entities,