April 17 (UPI) -- Those born on this date are under the sign of Aries. They include: -- Industrialist/financier J.P. Morgan in 1837 -- Writer Karen Blixen, who wrote under the name Isak Dinesen, in 1885 -- Actor William Holden in 1918 -- Music promoter Don Kirshner in 1934 -- Actor David Bradley in 1942 (age 84) File Photo by Jim Ruymen/UPI -- Musician Jan Hammer in 1948 (age 78) -- Actor Olivia Hussey in 1951 -- Actor Clarke Peters in 1952 (age 74) -- Writer Nick Hornby in 1957 (age 69) --