History
Founded in 1905 as the American Sanatorium Association to prevent, control, and treat tuberculosis; renamed the American Trudeau Society in 1938 and the American Thoracic Society in 1960. Originally the medical section of the American Lung Association, the Society became independently incorporated in 2000 as a 501 (c) (3) organization.
Mission Statement
To improve health worldwide by advancing research, clinical care, and public health in respiratory disease, critical illness, and sleep disorders.