Thomas Edison the recordings could be played only a few times, the phonograph made Edison a celebrity. Joseph Henry, president of the National Academy of Sciences and one of the most renowned electrical scientists in the US, described Edison as "the most ingenious inventor in this country... or in any other". In April 1878, Edison traveled to Washington to demonstrate the phonograph before the National Academy of Sciences, Congressmen, Senators and US President Hayes. The "Washington Post" described Edison as a "genius" and his presentation as "a scene... that will live in history". Although Edison obtained a patent for the phonograph in
Charles Edison keeping with Edison's request to drop his name after 20 years of use. In 1924, Edison joined the New Jersey Society of the Sons of the American Revolution. He was assigned national member number 39,292 and state society number 2,894. Charles Edison died on July 31, 1969 in New York City, three days shy of his 79th birthday. He is buried in Rosedale Cemetery in Orange, New Jersey. Charles Edison Charles Edison, (August 3, 1890 – July 31, 1969) was a son of Thomas Edison and Mina Miller Edison. Commonly known as "Lord Edison", he was a businessman, inventor and