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Orton-Gillingham is a highly structured method that breaks down reading and spelling into smaller skills, including letters and sounds, and then builds on these skills over time. This is also the first method of reading teaching using multi-sensory teaching strategies, which is considered to be very effective for teaching students with dyslexia. This means that educators use sight, hearing, touch and movement to help students connect and learn the concepts they teach. Orton-Gillingham is the first teaching method to help difficult readers by clearly teaching the connection between letters and sounds. In the 1930s, neurologist Dr. Samuel T. Orton and educator and psychologist Anna Dillingham developed an information technology method for reading teaching of "word-blind" students. This method was later called dyslexia. Their teaching methods combine a multi-sensory teaching strategy with a systematic, sequential course focusing on speech. Today, it is used by many reading projects as an effective literacy teaching method.