Clarence Glacken

Clarence James Glacken (1909 – August 20, 1989) was an American Professor of Geography at the University of California, Berkeley. He was known for a 1967 magnum opus, ''Traces on the Rhodian Shore'', that demonstrated how perceptions of the natural environment shaped the course of human events over millennia. He is recognised as a key contributor to the field of environmental history. Provided by Wikipedia