Alumni Resources

Ray Cross received his BS in chemical engineering and his MS in chemistry from Michigan Tech in January of 1935. He had a long and distinguished career as a metallurgist and service executive in the water quality improvement industry. The majority of his professional career was devoted to Culligan Water Conditioning, Inc. He started with Culligan in 1947 and retired from his position as president of the company in 19 . . .

Dr. Leann Nitschke M.D. graduated from Michigan Tech in 1984 with a B.S. in Biological Sciences. She and fellow alum, Matthew Nitschke (‘84) married 3 weeks after graduation. They were married for nearly 31 years before Matthew’s passing in 2015. She joined the Army National Guard in 1987, serving as a company commander and assistant state surgeon/acting deputy commander of the state health directorate (IL).  Nitschke . . .

President (CEO) and part owner of Hoover Construction Company, Virginia, Minnesota; Part owner and Director of Minnesota Explosives in Biwabik, Minnesota, as well as Mining Services Inc., in Virginia, Minnesota; Chairman of the Board of Michigan Limestone Operations in Rogers City, Michigan; Director of the Marshall H. and Nellie Allworth Memorial Fund; Director of the Queen City Federal Savings and Loan; Past President . . .