Don Walsh: The man who made the deepest ever dive
Don Walsh: The man who made the deepest ever dive Ocean explorer Captain Don Walsh has died at the age of 92. More than 60 years ago he made the first ever descent to the deepest place in the ocean, the Mariana Trench which lies almost 11km (seven miles) down. I was lucky enough to count him as a good friend.divingmariana trenchoceanlink