Jack J. Clark [Edit] By Sticky Facts Editorial StaffJack J. Clark biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Jack J. Clark date of birth:September 23, 1876How old was Jack J. Clark when died?70When did Jack J. Clark die?April 13, 1947 Tags: birth day 23birth month septemberbirth year 1876death day 13death month aprildeath year 1947 Suggested Posts Taylor Swift Facts Justin Timberlake Facts Bill Gates Facts Sylvester Stallone Facts Jennifer Lawrence Facts Madonna Facts Robert Downey Jr. Facts Chester Bennington Facts