Dyslexia was not a condition that was recognized in educational circles in the early Seventies. Nowadays it is claimed that both Leonardo da Vinci and Einstein were probably dyslexic. We suspected that Stephen was dyslexic and were fairly sure that Robert was too, but, apart from a remedial reading class, there was no specific help for dyslexics in the state system.
— Travelling to Infinity (Jane Hawking), Loc. 2843–5