Classical philosophical theism maintained the ontological distinction between God and creative world that is necessary for any genuine theism by conceiving them to be of different substances, with particular attributes predicated of each.

He had been Select Preacher before the University of Oxford in 1973 and 1975 and was Bampton Lecturer in 1978. Process as immanence
The process-as-immanence argument is meant to deal with Phillip Johnson’s contention that naturalism reduces God to a distant entity. In 1984 he spent one year as Professor of Judeo-Christian Studies at Tulane University.