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If you were a student between 1940 and the mid '80's you'll remember drown-proofing (unless you've intentionally blocked out all of the memories), which for many years was a graduation requirement.
Here's some more information about drown-proofing and its creator, Freddy Lanoue, who was the GT swimming and diving coach:
http://b.gatech.edu/2F3edd5
(Footage courtesy of the Georgia Tech Alumni Association)