"[T]he academic tended to dislike the industrialist and the industrialist both distrusted and feared the academic—distrusted because 'theory never works in practice' and feared because the managing director might reveal some chink in his 'armour of experience' when confronted by the academic in the presence of some of his own staff. Had not the 'long-haired Professor' long been a music-hall joke and his caricature the subject of comedy films?"