File:Imbeciles, Low-grade 1 (detail E).jpg

T. C. was 12 years old when photo was taken. The father was a laborer who drank some, and died of pulmonary tuberculosis. This boy has three brothers and two sisters living and healthy. One sister, the youngest, was hydrocephalic, and died in convulsions. The father was 33 and the mother 27 at the time of T's birth. He is markedly macrocephalic, but bright and lively, and very nervous and restless. He was tried in school for eight years but made little improvement. He never learned to read and write, but did learn to use his hands intelligently. He become an expert house-man;