today 's birthdays : ivan iv -lrb- `` the terrible '' -rrb- , czar of muscovy -lrb- 1530-1584 -rrb- ; leonard bernstein , u.s. composer-conductor -lrb- 1918-1990 -rrb- ; sean connery , scottish-born actor -lrb- 1930 -- -rrb- ; elvis costello , english pop singer -lrb- 1954 -- -rrb- .