Which composer supervised a 1907 phonograph recording of his own opera "Pagliacci"?

In Shakespeare's "Julius Caesar," who says, "As Caesar loved me, I weep for him... but, as he was ambitious, I slew him… Which nursery rhyme character said "What a good boy am I!" after pulling a plum out of his Christmas pie? Which entertainer signed off his TV show with the line "Good night, Mrs. Calabash, wherever you are"? Which Burmese diplomat succeeded Dag Hammarskjöld as Secretary-General of the United Nations? Which executive told a U.S. Senate hearing in 1998, "At Microsoft we are spending $2.6 billion in R&D this year"? Which composer was buried in New York in 1945 and reburied in his beloved Hungary in 1988? Which physicist was traveling to Japan, stopping in Shanghai in November 1922, when he learned he had won the 1921 Nobe… In 1787, Benjamin Franklin became president of a Pennsylvania society that was America's first organized effort to end…