He spent his later years writing and lecturing in imperial and colonial history at King's College, London.
He spent time as a graduate student at St. John's College in Annapolis, Maryland.
He was born in Brønnøy, and spent his professional career at Bodø Teacher's College from 1951 to 1989.
Coulter spent his secondary school years at St. Columb's College.
He also spent one year at King's College, Cambridge.
They had both spent their last day at Augustine's College.
After five years there he worked as a pupil-teacher for a year before spending two years at the Teachers' College.
His last four years of schooling were spent at St Bede's College in Mentone.
During the years spent at King's College, he developed his work and knowledge on the emission of photons from hot bodies.
Afterwards he spent some time in 1922 at King's College, Cambridge.