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  • Dean Peterson, ’74 DVM, Ham Lake, Minn., died in August 2022.

  • Anthony Castro, ’78 DVM, PhD, Green Valley, Ariz., died on May 24, 2022, at 87. Following service in the U.S. Air Force, Castro pursued a career in veterinary diagnostic virology. He worked at diagnostic laboratories at Oklahoma State University-Stillwater, University of California-Davis, and Penn State. Castro is survived by his wife, Marlene; two children, four grandchildren, and his brother.

  • Barbara Coffman, ’78 DVM, Backus, Minn., died on April 12, 2022, at 78.

  • Mark Mattison, ’76 DVM, La Crosse, Wis., died on April 15, 2022, at 70. Mattison practiced large and small animal veterinary medicine as a partner at the La Crosse Veterinary Clinic for 39 years. In 1988, he received his International Veterinary Acupuncture Society Certification, practicing animal acupuncture locally while lecturing across the United States and Canada. Mattison is survived by his wife, Wendy; two children; six grandchildren; and four sisters.

  • Frieda Kooiker, ’78 DVM, Luverne, Minn., died on Jan. 10, 2022, at 68. Kooiker is remembered as a dedicated dairy woman and farmer known for her creativity in designing, crafting, and building items for her yard and flowerbeds. She is survived by her husband, Harlyn; four children; her mother; four grandchildren; three brothers; four sisters; and many nieces and nephews.

  • David G. Blahna, ’78 DVM, ’08 PhD, MPH, Mechanicsburg, Penn., died on Oct. 20, 2021, at 74. Blahna spent much of his career managing a veterinary practice. Later on, he worked for six years as a veterinary medical officer for the USDA Animal and Plant Health Inspection Service, Veterinary Services. He is survived by his wife Linda Brown Warren; his two sons; his two step-daughters; one grandchild; two sisters, Mary Cieplinski of Las Vegas, NV, and Beverly McCarthy of Moorpark, CA; four nephews and nieces; and a sister-in-law.

  • Charles B. "Charlie" Woods, ’73 DVM, Huntersville, N.C., died on Aug. 14, 2021, at 73. Woods completed an internship and residency at the University of Georgia. Afterward, he practiced as a veterinarian in Everett, Wash., for more than 40 years before moving to North Carolina. Woods is survived by his wife, Janis, and his daughter, Elizabeth.

  • Helen A. Knutt, ’74 DVM, Cando, N.D., died on Sept. 1, 2021, at 83. Following graduation, Knutt set up a veterinary practice in Rocklake, N.D., and founded a satellite office in Langdon, N.D., in 1977. She closed her practice in 2001 and later worked for the USDA Food Safety and Inspection Service, as a supervisory veterinary medical officer and inspector in charge at the North American Bison Cooperative in New Rockford, N.D., as well as two plants in Mandan before her retirement in 2007. Knutt is survived by two daughters, three granddaughters, one sister, a sister-in-law, and numerous nieces and nephews.

  • Charles Vandermause, ’73, DVM, Austin, Texas, died on February 27, 2021, at age 71. Known as Dr. V to his clients, Vandermause began his veterinary career in California, where he opened and operated a practice in suburban Los Angeles for nearly 25 years. In 1996, his family moved to Austin, Texas, where he owned and operated Crystal Mountain Animal Hospital. Vandermause is survived by his wife, Sheri; two sons; two grandchildren; his sister and five brothers; and his mother-in-law, brother-in-law, and sister-in-law.