Ennor was born in Melbourne, the son of a joiner. For schooling, he attended a local
Catholic school, O'Neill College in
Elsternwick, Victoria and later
Melbourne Technical College. Ennor was the first professor appointed by the new
Australian National University in
Canberra in 1948. He served as secretary of the science department for over ten years, in the
Department of Science (I), the
Department of Science and Consumer Affairs, and the
Department of Science (II). He also served for a short period as Acting Secretary of the
Department of Education when the
Whitlam government split the
Department of Education and Science into two. Hugh Ennor died on 14 October 1977 in Canberra, aged 65. His death was just a week after his retirement from the
Australian Public Service. ==Awards==