[2] Her preliminary education was received at the Friends' Academy in Union Springs, New York from which she graduated in 1862; and under private tutors.

[3] Over the objections of friends and family, the study of medicine was begun by her in Boston, in 1869, as an intern apprentice under the direction of Dr. Lucy Ellen Sewall, at that time resident physician at the New England Hospital for Women and Children.

[3] After completing her education, she opened a practice in Poughkeepsie, New York where she became a member of the city and county medical societies.

[3] Upon the opening of the Massachusetts Reformatory for Women in 1877, she was called to the position of resident physician, receiving her appointment from the governor of the state.

Upon her return to this country a year later, the Massachusetts Reformatory Prison was without a superintendent, and Governor Long induced her to take the position, “at least until another woman should be found who was fitted for the difficult place.” Reluctantly turning aside from the work of her choice, she devoted herself to the reorganization of the prison, which at that time had about 375 inmates, with a corps of about 40 employés.

[3] While crippled by a knee injury for seven years, she lectured on anatomy and hygiene at Wellesley College;[7] and in 1884, she was appointed professor of physiology and resident physician to Vassar College,[3] while starting up a general medical practice in Brooklyn, New York, from 1886 to 1896, in association with Dr. Lucy M. Hall, also a graduate of the University of Michigan.

Together, Mosher and Hall held the chair of Physiology and the position of Resident Physician at Vassar College, doing the work there in alternate semesters, during the first three years of their professional life in Brooklyn.

[3] She wrote the following papers: “The Health of Criminal Women,” American Social Science Association, Saratoga, 1882; “Prison Discipline,” American Association of Charities and Corrections, 1883; “A Critical Study of the Biceps Cruris Muscle and Its Relation to Diseases in and around the Knee Joint,” Annals of Surgery, November, 1891; “The Influence of Habits of Posture upon the Symmetry and Health of the Body,” Brooklyn Medical Journal, July, 1892; “Habitual Postures of School Children,” Educational Review, New York, October, 1892; “Habits of Posture a Cause of Deformity and Displacement of the Uterus,” Transactions of the Pan-American Medical Congress, September, 1893; and “The Importance of Maintaining the Pelvis in Normal Obliquity,” Transactions of the American Association for the Advancement of Physical Education, 1894.