This is a photograph of Dr. Mark L. Morris Sr., DVM and Louise M. Weber Morris who were married on December 21, 1928. Advancing pet nutrition, Dr. Morris and his wife developed a pet food which Mrs. Morris and three other women continued producing. Morris developed a production agreement with the Hill Packing Company in Topeka, Kansas. He continued to create formulas which Hill Packing Company produced, packaged and marketed. An active member of multiple organizations, Morris pioneered nutritional standards for pet foods.