Louis W. Sauer | |
|---|---|
 | |
| Born | August 13, 1885 |
| Died | February 10, 1980 (aged 94) |
| Alma mater | University of Chicago |
| Spouse |
Lucia Mira Seypelt (m. 1912) |
Louis Wendlin Sauer (August 13, 1885 – February 10, 1980) was an American pediatrician who became known for perfecting the vaccine used to prevent pertussis (whooping cough), saving countless lives around the world.