Charles B. “Charlie” Leib, 95, died November 21, 2001 of natural causes in Klamath Falls. He is considered the grandfather of geothermal development in this southern Oregon city, and is especially noted for his work with the downhole heat exchanger. Mr. Leib was born January 16, 1906, in Olbendorf, Austria and as a teenager, he moved with his parents to the United States. He then lived and worked in Philadelphia, Pennsylvania for a few years before moving west with his parents