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Home Academy of Science and Engineering
SCSE Academy of Science and Engineering: 2007 Inductees
2007 Academy of Science & Engineering

Left to Right: Nathan Ballou, Chancellor
Kathryn A. Martin, Sonja Rasmussen,
Mylan Radulovich, Terrence Tumpey,
Thys Johnson, and Dean James P. Riehl

Dr. Terrence M. Tumpey: Bachelor of Arts – Biology 1986
Terrence M. Tumpey, PhD, is a Senior Microbiologist for the Centers for Disease Control and Prevention (CDC). Dr. Tumpey earned his Bachelor of Arts degree in biology from the University of Minnesota Duluth and his PhD in immunology from the University of South Alabama School of Medicine in Mobile. While pursuing his doctorate, Dr. Tumpey lectured at the university and was awarded the Lions Eye Research Institute/USA Grant-in-Aid Award in both 1994 and 1995. He was a post-doctoral fellow at the CDC where he twice received the Nakano Award for Outstanding Research Paper. Later, serving the U.S. Department of Agriculture (USDA) as a microbiologist in the Southeast Poultry Research Laboratory in Athens, Georgia. Dr. Tumpey has been with the CDC Influenza Branch since 2003.

Dr. Sonja A. Rasmussen: Bachelor of Science – Mathematics 1981, Bachelor of Science – Biology 1981
Dr. Sonja A. Rasmussen received her BS magna cum laude from UMD in mathematics and biology in 1981. She went on to receive an MS in medical genetics from the University of Wisconsin-Madison and an MD with honors from the University of Florida College of Medicine. She completed her pediatrics residency training at Massachusetts General Hospital and her fellowship training in clinical genetics at Johns Hopkins University and the University of Florida before moving on to the Centers for Disease Control and Prevention (CDC) in Atlanta in 1998. She is board-certified in pediatrics, clinical genetics, and genetic counseling.

Dr. Rasmussen’s work has focused on the molecular genetics of neurofibromatosis, identification of genetic and environmental risk factors for birth defects, and mortality associated with genetic conditions. Currently she is a Senior Scientist at CDC’s National Center on Birth Defects and Developmental Disabilities.

Dr. Nathan Ballou: Bachelor of Science – Chemistry 1941
Dr. Nathan Ballou studied chemistry, physics, math, and German at Duluth State Teacher’s College. After graduating from DSTC in spring 1941, Dr. Ballou went to the University of Illinois to work on his doctorate in chemistry. He vividly remembers sitting in his dorm room on a Sunday afternoon with some of his classmates and hearing the announcement of the Japanese attack on Pearl Harbor. That spring he was recruited to work on the Manhattan Project in Chicago.

After the war ended, Dr. Ballou returned to the University of Chicago and completed his PhD in 1947. He then went to the University of California at Berkeley to work as a postdoctoral fellow with Glenn Seaborg. From there he went on to work at the U.S. Naval Radiological Defense Laboratory (NRDL) in San Francisco; the Belgium Nuclear Energy Center, Brussels; and the Pacific Northwest National Laboratory operated by Battele in Richland, Washington, where, at age 87, he still works today. Dr. Ballou conducts research in radiochemistry, mass spectrometry, and new analytical techniques.

Dr. Thys B. Johnson: Department Director Emeritus, Professor Emeritus
Dr. Thys B. Johnson received his Bachelors and Masters degrees in mining engineering from the University of Minnesota Twin Cities in 1956 and 1958. He worked in Duluth with U.S. Steel Corporation in the Minnesota Ore Operations until 1964; then worked with the U.S. Bureau of Mines until 1972. During this time, he also pursued his PhD in Operations Research, receiving his degree from the University of California at Berkeley in 1968. From 1972 until 1985, he served as Professor of Mining Engineering at Colorado School of Mines, including an 11-year stint as department head. In 1985, Dr. Johnson returned to Duluth to be the Associate Director of the Minerals Division of the new Natural Resources Research Institute at UMD. He served as Director of the Center for Applied Research and Technology Development at NRRI from 1987 until his retirement in 1998. He has been a Professor in the Department of Industrial Engineering since 1988, and he served as Acting Department Head in 1989-90.

Although he officially retired in 1998, Dr. Johnson still teaches the IE 3115 Operations Research each year as Professor Emeritus in the Department of Mechanical and Industrial Engineering. He has made many contributions to the mining industry throughout North America, but perhaps his greatest contributions have been with helping establish the NRRI and with setting the path of progress for the field of industrial engineering at UMD.

Mr. Mylan Radulovich: Bachelor of Arts – Physics 1960
Mylan Radulovich graduated from Morgan Park High School and entered UMD in 1955, completing degrees in physics and mathematics. His first job after UMD was with Korad Corporation in California working on the recently developed laser with one of its inventors. He returned to Minnesota a few years later to complete a Master's degree in electrical engineering on the Twin Cities campus, studying laser action in ruby. He continued his graduate studies and worked with Korad until 1970 when he moved to Texas and began a 30-year association with Exxon, which has taken him to many places around the world. While officially retiring in 1998, he continued as a consultant to Esso Norway to assist in the final phases of the Balder project.

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