Haldan Keffer Hartline died on March 17, 1983 at the age of 79.
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.
Haldan Keffer Hartline was born on December 22, 1903 and died on March 17, 1983. Haldan Keffer Hartline would have been 79 years old at the time of death or 108 years old today.