Background
He was born at Walter Reed Army Hospital in Washington, District of Columbia
He was born at Walter Reed Army Hospital in Washington, District of Columbia
He graduated from Kansas State College in veterinary medicine and zoology.
He served as the veterinarian at the Portland Zoo in Oregon. He joined the National Zoological Park (United States) in 1955. He was named associate director in 1956, and director in 1958.
In 1972, he helped bring the pandas Ling-Ling and Hsing-Hsing to the National Zoo.
In 1975, he helped create the Smithsonian Conservation Biology Institute. He died in a nursing home in Milford, Delaware.