Mary Margaret Truman, daughter of President Harry S. Truman, was born on February 17, 1924 in Independence, Missouri. She graduated from George Washington University in 1946. She was also known as Margaret Truman or Margaret Daniel. She was an American singer who later became the successful author of a series of murder mysteries and a number of works on U.S. First Ladies and First Families, including a biography of her father, President Harry S. Truman. The only child of Harry Truman and First Lady Bess Truman; she was called "Margaret" for most of her life. Truman made her concert debut with the Detroit Symphony Orchestra in 1947 and her first television appearance on Ed Sullivan's Toast of the Town. She substituted for Edward R. Murrow on Person to Person, and later had her own radio shows (Weekday in the 1950s and Authors in the News in the 1960s). She was active with organizations such as the Harry S. Truman Scholarship Foundation and the Truman Centennial Committee. She published her first book, Souvenir: Margaret Truman's Own Story in 1956. She also wrote a series of mysteries set at historic locations in Washington, D. C. She died on January 29, 2008 following a brief illness.