Arnold R. Hippen, Ph.D., an expert in dairy science, passed away Saturday, July 9, at the age of 58.

Hippen became a professor at South Dakota State University in 1998, where he taught dairy farm management and dairy cattle nutrition. Hippen was recently recognized by the American Dairy Science Association with the Dairy Nutrition Research Award, for accomplishments that include publishing more than 30 manuscripts and patenting two products for ketosis prevention in cattle. Hippen began his career as a dairy farmer, and later attended Iowa State University for his bachelor’s, master’s and doctorate degrees in nutritional physiology. 


Hippen is survived by his wife, Pat, and his son, Eric.