Ada Estelle Schweitzer (August 29, 1872 – July 2, 1951) was an American public health advocate for women and infants in Indiana, an expert in infant health care, and a pioneer in public health in the early twentieth century. As the director of the Indiana State Board of Health's Division of Child and Infant Hygiene from 1919 to 1933, Schweitzer is best known for organizing and supervising Indiana's Better Baby contests at the Indiana State Fair from 1920 to 1932. Schweitzer's and her staff's educational outreach activities also helped change attitudes about child and maternal health. Statistics confirm that the state's infant mortality rate decreased during her years as a public health leader in Indiana to the fourth lowest in the United States, an accomplishment that was partly attributed