It was on July 7, 1977, that Harold Mendenhall, now 84, started donating blood. It's been 35 years now and Mendenhall has donated blood for more than 400 times.
There is a specific reason for which Mendenhall started donating blood. The reason was that Mendenhall's wife Frankie got diagnosed with breast cancer. After her death, Mendenhall was all broken.