May 31 (UPI) -- Those born on this date are under the sign of Gemini. They include: -- Mongol leader Genghis Khan in 1162 -- Poet Walt Whitman in 1819 -- Surgeon William Mayo in 1819 -- Pope Pius XI in 1857 -- Radio personality Fred Allen in 1894 -- Actor Don Ameche in 1908 -- Artist Ellsworth Kelly in 1923 -- Actor/filmmaker Clint Eastwood in 1930 (age 96) File Photo by Jim Ruymen/UPI. -- Musician Peter Yarrow (Peter, Paul and Mary) in 1938 -- Musician Johnny Paycheck in 1938 -- Human rights