Of G's later educational experience Miss McElwee wrote as follows: "At eight and a half years of age he was transferred to P.S. 208, Brooklyn, where he entered the 6A group of the Individual Progress class, which had been organized for superior children. The method of instruction had been modified and the course of study enriched to meet the needs of the pupils. . . . Tests of educational achievement given in October, 1931, soon after he entered the class, showed that his grade placement was 7.4 and his achievement quotient 86. Similar tests given in May, 1932, indicated that his grade placement was then 10.3 and his achievement quotient 97. In those seven months he had completed three years of work. . . . By January, 1933, he had gained another year and a half, and was maintaining his achievement quotient. In other words, at 9 years of age he was doing as well as a junior in high school." His father wrote to the school at this time: We are happy to tell you that G is full of his school work and is very contented with the present curriculum. Inasmuch as he has always complained until this term of lack of work at school and always considered his school work a necessary evil, we feel very grateful to you for his increased interest and happiness. EARLY MENTAL TESTS The first recorded measurement of G's mental ability is found in a report from the Educational Clinic of the College of the City of New York, where he had been taken by his father for a private examination. The report is made by Elise S. Mustor, Assistant Director, as of January, 1930. G was then 6 years 7 months old. His Mental Age was found to be 10-9, and his IQ is reported as 163. This report also gives numerous other details which may be summarized in the following tabulation. REPORT OF G, JANUARY, 1930 Chronological Age 6-7 Mental Age 10-9 Intelligence Quotient 163 Height (with shoes) 48.5 inches (About 3 inches above the median for his age) Height 59 pounds (About 5 pounds above the median for his height) Reading comprehension Median of 5th Grade Arithmetic reasoning Median of 4B Grade Arithmetic fundamentals Median of 3A Grade Perception of form and physi- Ranges from 7th- to cal relationships 12th-year level Auditory rote memory 10-year level Vocabulary 10-year level Physical condition: Well nourished. Tonsils and adenoids removed. Breathing unobstructed. Teeth good. No defects of heart, lungs, acuity of vision or hearing. At the clinic his social responses were good. He was well poised and unassuming; showed very fine effort and application. LATER TEST RECORDS