Career
Born in Chichester, he was president of the University of King"s College, in Windsor, Nova Scotia, from 1904-1906. In 1904 Campbell married American artist Edith Brand. After a spell in England, Hannah returned to America in 1915 to become professor of church history at the Oberlin Theological Seminary.
He returned to the United Kingdom again in 1925, to live on his family estate near Edinburgh.
He was also a member and frequent speaker at the Sussex Archaeological Society, producing articles on the Prebendal School in Chichester, the Vicars" Close at Chichester and on the town of Crawley, and later on the houses of Chichester Close, Brabletye and West Hothly.