""Memoir of Joseph Henry"" is a book written by Simon Newcomb and published in 1903. It is a biography of Joseph Henry, an American scientist who made significant contributions to the fields of electromagnetism and telegraphy. The book covers Henry's life from his birth in 1797 to his death in 1878, detailing his upbringing, education, and career as a scientist. It also explores his personal life, including his marriage and family. The book is based...