Robert Johnson researched and authored the content of this website.  He is a geologist recently retired from the U.S. Federal Government as a senior geoscience project manager.  His geology degrees are a B.S. from Muskingum University and an M.S. from the University of Michigan.  He has traveled to Zermatt often since 1969.  All photographs were taken by Robert and his wife, Susan.  Contact Robert at:  zermattglaciers@gmail.com.