Rosalie Rayner

Rosalie Alberta Rayner (September 25, 1898 – June 18, 1935) was an undergraduate psychology student, then research assistant (and later wife) of Johns Hopkins University psychology professor John B. Watson, with whom she carried out the study of a baby later known as "Little Albert." In the 1920s, she published essays and co-authored articles and a book with Watson about child development and familial bonds.