Cliff Robertson is at the top of his game as the eponymous character who has learning difficulties. He has been attending night classes under "Dr. Kilman" (Claire Bloom) for almost two years, determined to improve his reading and writing, and it is she who thinks it might be possible to get him onto a scientifically-backed course that could ultimately result in profoundly correctional surgery. He has to struggle and work hard - often trying to outfox a genetically altered mouse - to convince "Dr. Straus" (Lilia Skala) and "Dr. Nemur" (Leon Janney) that he is suitable - and that's whilst,…