Sara Josephine Baker was an American physician notable for making contributions to public health, known for twice tracking down which infamous index case better known as Typhoid Mary,  the first person in the United States identified as an asymptomatic carrier of the pathogen associated with typhoid fever, her name?
Sara Josephine Baker Sara Josephine Baker (November 15, 1873 – February 22, 1945) was an American physician notable for making contributions to public health, especially in the immigrant communities of New York City. Her fight against the damage that widespread urban poverty and ignorance caused to children, especially newborns, is perhaps her most lasting legacy. In 1917, she noted that babies born in the United States faced a higher mortality rate than soldiers fighting in World War I, drawing a great deal of attention to her cause. She also is known for (twice) tracking down Mary Mallon, the infamous index case known as Typhoid Mary.
Mary McLeod Bethune Mary Jane McLeod Bethune (born Mary Jane McLeod; July 10, 1875 – May 18, 1955) was an American educator, stateswoman, philanthropist, humanitarian and civil rights activist best known for starting a private school for African-American students in Daytona Beach, Florida. She attracted donations of time and money, and developed the academic school as a college. It later continued to develop as Bethune-Cookman University. She also was appointed as a national adviser to President Franklin D. Roosevelt as part of what was known as his Black Cabinet. She was known as "The First Lady of The Struggle" because of her commitment to gain better lives for African Americans.