Beiersdorfer, YSU distinguished professor of geology, has died
Ray Beiersdorfer, a Youngstown State University distinguished professor of geology and environmental activist, has died.
Beiersdorfer had a heart attack last month and was since hospitalized in critical condition.
YSU hosted a tribute to Beiersdorfer Oct. 5 in which more than 100 people gathered to honor him.
His death was announced today on the Facebook page of his wife, Susie.