Ne contribution wɔ intellectual development mu yɛ impressive paa, efisɛ ɔdi dwuma wɔ boards ne committees bebree so. For about 30 years a ɔyɛɛ teaching ne research no, Prof. Mills serve-i sɛ visiting lecturer ne professor wɔ educational institutions pii wɔ wiase nyinaa, na ɔ-present-i research papers wɔ symposiums ne conferences ahorow a ɛkɔ so wɔ so many places.