God only knows what He will decide for this guy. But on the works of Campbell, we can say they are definitely not christion, see for example : http://www.answers.org/cultsandreligions/campbell.html Campbell was working for the "hidden religion" coming from ancient time, which is a pagan religion and has to be fight by every believer.
William Joseph Campbell died in 1988.
Joseph B. Campbell died in 1891.
Thomas Joseph Campbell died in 1946.
Joseph Campbell - poet - died in 1944.
Francis Joseph Campbell died in 1914.
Joseph Campbell - accountant - died on 1984-06-21.
Christian Joseph Jagemann died in 1804.
Christian-Joseph Guyonvarc'h died in 2012.
Christian Joseph Rasmussen died in 1908.
Johann Joseph Christian died in 1777.
Joseph-Christian-Ernest Bourret died in 1896.
Joseph Christian Lillie died on 1827-01-29.