 Description: Dr. Calvin Alexander is a hydrologist who describes the threats to safe drinking water on the globe and the implications for health and safety. Alexander received his Ph.D. in 1970 from the University of Missouri-Rolla. He teachers in the Department of Earth Sciences at the Newton Horace Winchell School of Earth Sciences, University of Minnesota.
The radio program, "Scan," was nationally-syndicated, airing in the U.S. and around the world from 1975 to 1991. This program features first-person stories of individuals who share their lived-out wisdom.
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