John R VallentyneJohn R. Vallentyne (PhD, Yale) taught biology before helping to establish new centres of freshwater research in Manitoba and Ontario. Dr. Vallentyne was at the centre of the investigation of pollution in the Lower Great Lakes and later was Senior Scintist with the Department of Fisheries and Oceans. Among his many awards was a Lifetime Achievement Award from the American Society of Limnology and Oceanography. Read More Read Less