Donald Blakeslee died on September 3, 2008 at the age of 90.
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.
Donald Blakeslee was born on September 11, 1917 and died on September 3, 2008. Donald Blakeslee would have been 90 years old at the time of death or 94 years old today.