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Donald Christopherson
Donald A. Christopherson was a computer programmer in the aerospace industry and the medical
research and development industry for thirty years. He taught college mathematics for eight years.
Mr....view moreDonald A. Christopherson was a computer programmer in the aerospace industry and the medical
research and development industry for thirty years. He taught college mathematics for eight years.
Mr. Christopherson received a Bachelor of Science in History from Carroll College, a Master of Science in Mathematics from the University of Wisconsin, and a Bachelor of Science in Computing and Software Systems from the University of Washington-Bothell.view less
Books by Donald Christopherson
Stowaway Alister Jensen: The Case of the Engraved Ring Rating: 0 out of 5 stars0 ratings