April 1 (UPI) -- Those born on this date are under the sign of Aries. They include: Advertisement -- Military theorist Prince Otto von Bismarck in 1815 -- Musician Sergei Rachmaninoff in 1873 -- Actor Lon Chaney Sr. in 1883 -- Scientist Jean Macnamara in 1899 -- Librarian Augusta Baker in 1911 -- Actor Toshiro Mifune in 1920 -- Writer Anne McCaffrey in 1926 -- Actor/musician Jane Powell in 1929 File Photo by Bill Hormell/UPI -- Writer Milan Kundera in 1929 -- Actor/musician Debbie Reynolds in