Mark Loren Morris, Sr., DVM
Dates: Between 1960 and 1965
This is a photograph of Dr. Mark L. Morris, Sr., DVM, who rose to notoriety for his advancements in pet nutrition. Born on November 18, 1900 in Adams County, Colorado, he earned a veterinary degree from Cornell University in 1926. He opened the Raritan Hospital for Animals in Edison, New Jersey, in 1928, being one of the few to focus his work on companion animals and their nutrition. Working with Rutgers University, Morris developed his first pet food by 1939. Maintaining supply and demand, Morris negotiated an agreement with Hill Packing Company in Topeka, Kansas. Morris continued his work with pet nutrition, passing on his passion to his son. Morris passed away on July 8, 1993 leaving behind a son to continue his work.



