Elizabeth Blackwell was the first woman to graduate from medical school in the United States, receiving her degree from the Geneva Medical College in New York in 1849.

Ann Preston was a pioneering female physician who made significant contributions to the field of anesthesia. She was the first woman to administer anesthesia in a surgical operation in the United States in 1846.

Alice Hamilton was the first woman to serve as president of the American Medical Association, holding the position from 1948 to 1949. She was a renowned expert in occupational medicine and a strong advocate for workers' health.

Florence Nightingale, known as the 'Lady with the Lamp', was a pioneering nurse and social reformer who made significant contributions to the field of nursing and public health. She played a crucial role in reducing the mortality rate during the Crimean War and was instrumental in establishing the profession of nursing as a respected field.

Rebecca Lee Crumpler was the first African American woman to earn a medical degree in the United States, graduating from the New England Female Medical College in 1864. She faced significant challenges and discrimination as a Black woman in the medical field, but she persevered and became a respected physician and advocate for the health of her community.

Harriet K. Hunt was a pioneering female physician who made significant contributions to the field of pediatrics. She was the first woman to graduate from the Harvard Medical School and the first woman to serve as a professor at a medical school in the United States.

Gerty Cori was the first woman to win the Nobel Prize in Physiology or Medicine, which she shared with her husband, Carl Cori, and Bernardo Houssay in 1947. They were recognized for their discovery of the role of glycogen in the body's metabolism.

Margaret Sanger was a pioneering female physician and activist who dedicated her life to promoting reproductive health and rights. She founded the American Birth Control League, which later became the Planned Parenthood Federation of America, and played a crucial role in legalizing contraception in the United States.

Antonia Novello was the first woman to serve as Surgeon General of the United States, holding the position from 1990 to 1993. She was a renowned pediatrician and public health advocate who made significant contributions to improving the health of children and families.

Rosalind Franklin was a pioneering female scientist who made significant contributions to the field of cancer research. Her work on X-ray crystallography played a crucial role in understanding the structure of DNA and RNA, which laid the foundation for modern molecular biology.

Gertrude Elion was the first woman to receive the Lasker Award for Clinical Medical Research, which she shared with George Hitchings in 1988. They were recognized for their development of new drugs to treat leukemia, gout, and viral infections.

Barbara McClintock was a pioneering female geneticist who made significant contributions to the field of genetics. She was awarded the Nobel Prize in Physiology or Medicine in 1983 for her discovery of transposons, or 'jumping genes', which revolutionized our understanding of gene regulation and evolution.

Luella Klein was the first woman to serve as president of the American Academy of Pediatrics, holding the position from 1948 to 1949. She was a renowned pediatrician and public health advocate who made significant contributions to improving the health of children and families.

Helen Taussig was a pioneering female cardiologist who made significant contributions to the field of cardiology. She developed the Blalock-Taussig shunt, a surgical procedure that saved the lives of thousands of children with congenital heart defects.

Nancy Andrews was the first woman to serve as Dean of Harvard Medical School, holding the position from 1981 to 1987. She was a renowned physician and educator who made significant contributions to the field of medicine and to the advancement of women in medicine.