sentences:  The conversion of the slides to 6x7 format took place in 1975 and it was at that point that the show gained a much higher profile internationally.Haskins ran one-week photographic training workshops in Italy, Sweden and South Africa in the 1970s.He returned to his alma mater, The London College of Printing, in 1975 as outside assessor on the photographic diploma course, a position he maintained until 1982.