Attracting residents to one of the nation's highly celebrated historic sites, Edison Township advertises itself as "the community where tomorrow was born." Thomas Edison recorded the nursery rhyme "Mary had a little lamb" on his first phonograph at his laboratory in Menlo Park in Edison Township in 1877. Boasting a strong commercial and industrial sector, Edison Township is home to nearly 100,000 residents. Hundreds of professionals carry on their practices within the township, drawn by Roosevelt Hospital and the renowned Robert Wood Johnson University Hospital. Edison has the largest industrial park on the Eastern seaboard as well as many retail facilities.