Jan de Bont is 67 years old (birthdate: October 22, 1943).
This answer is closed to changes. This is done in rare cases when questions are being vandalized or answers have become debates. E-mail reopen @ answers.com (no spaces) if you would like it to be reopened.
Jan de Hartog was born on April 22, 1914 and died on September 22, 2002. Jan de Hartog would have been 88 years old at the time of death or 98 years old today.