Mary Calkins, described by many as one of the best graduate students at Harvard before 1900,

A) created the first research laboratory at Harvard.
B) was denied her Ph.D. because she was a woman.
C) was denied her Ph.D. because she was a strong supporter of Freud's.
D) became the first woman to receive the M.D. in the United States.

Ph.D.

A Doctor of Philosophy degree, a postgraduate academic degree awarded by universities for completing extensive research in a specified field of study.

Graduate Students

Individuals who have completed undergraduate degrees and are pursuing advanced level degrees such as masters or doctorates.

Harvard

Harvard University is a prestigious Ivy League research university located in Cambridge, Massachusetts, known for its high academic standards and notable alumni.