“…This “thoroughness and meticulous attention to detail” became a Davis trademark (Estes, ) and remained evident over the years. Early in his career, tapping the scholar, the poet, and the scientist, he wrote a detailed historical review of American psychology between the years 1800 and 1885, a period during which the field emerged from the study of religion and philosophy (Davis, ). Two decades later, he similarly reviewed the history of physiological psychology in the first half of the 20th century (Davis, ).…”