Answer:
Thomas Bouchard is an American psychologist and geneticist who is known for the his study on twins.
Explanation:
He studied on Minnesota Study of Twins Reared Apart (MISTRA)
Case studt, longitudinal study includes in this field.
Studying this fields depicts an important role in medical and psychology such as personality, intelligence, etc.
In 1979 Thomas J. Bouchard started to study twins by separating the twins in different environments where they are reared by two different families.He observed that the similarity which have been taken place in the two twins are mainly due to gene effect but not environmental effect .Thus this study is referred by physiologist as Adoption strategy.