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 Whooping cough, also known as pertussis or the 100-day cough, is a highly contagious bacterial disease. Initial symptoms are usually similar to those of the common cold with a runny nose, fever, and mild cough, but these are followed by two or t ...

), saving countless lives around the world.

Biography

Louis W. Sauer was born in

Cincinnati Cincinnati ( ) is a city in the U.S. state of Ohio and the county seat of Hamilton County. Settled in 1788, the city is located at the northern side of the confluence of the Licking and Ohio rivers, the latter of which marks the state line wit ...

on August 13, 1885. He married Lucia Mira Seypelt on August 20, 1912 in

Berlin Berlin ( , ) is the capital and List of cities in Germany by population, largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's List of cities in the European Union by population within ci ...

, while attending school there. He graduated from

Rush Medical College Rush Medical College is the medical school of Rush University, located in the Illinois Medical District, about 3 km (2 miles) west of the Loop in Chicago. Offering a full-time Doctor of Medicine program, the school was chartered in 1837, a ...

in 1913 and began working in pediatrics. Sauer established a practice at Evanston Hospital, in Evanston, a suburb of Chicago, Illinois. He earned an MD in Berlin, and his PhD at the

University of Chicago The University of Chicago (UChicago, Chicago, U of C, or UChi) is a private university, private research university in Chicago, Illinois. Its main campus is located in Chicago's Hyde Park, Chicago, Hyde Park neighborhood. The University of Chic ...

. After five years of work, Dr. Sauer developed the vaccine in 1931, inoculating children against pertussis, a respiratory infection that had been the most fatal disease for children under two years old. He later developed the DPT vaccine, which allowed the vaccines for

diphtheria Diphtheria is an infection caused by the bacterium '' Corynebacterium diphtheriae''. Most infections are asymptomatic or have a mild clinical course, but in some outbreaks more than 10% of those diagnosed with the disease may die. Signs and s ...

pertussis Whooping cough, also known as pertussis or the 100-day cough, is a highly contagious bacterial disease. Initial symptoms are usually similar to those of the common cold with a runny nose, fever, and mild cough, but these are followed by two or t ...

and

tetanus Tetanus, also known as lockjaw, is a bacterial infection caused by ''Clostridium tetani'', and is characterized by muscle spasms. In the most common type, the spasms begin in the jaw and then progress to the rest of the body. Each spasm usually ...

to be administered as a single injection. Dr. Sauer never asked for compensation for developing vaccines and told an interviewer later, "One doesn't do that thing for money." Dr. Sauer was a professor at the

Northwestern University Medical School Northwestern or North-western or North western may refer to: * Northwest, a direction * Northwestern University, a private research university in Evanston, Illinois ** The Northwestern Wildcats, this school's intercollegiate athletic program ** ...

in Evanston, Illinois, until his retirement in 1959 to

Coral Gables, Florida Coral Gables, officially City of Coral Gables, is a city in Miami-Dade County, Florida. The city is located southwest of Downtown Miami. As of the 2020 U.S. census, it had a population of 49,248. Coral Gables is known globally as home to the ...

. He died at age 94 of

pneumonia Pneumonia is an inflammatory condition of the lung primarily affecting the small air sacs known as alveoli. Symptoms typically include some combination of productive or dry cough, chest pain, fever, and difficulty breathing. The severi ...

and

congestive heart failure Heart failure (HF), also known as congestive heart failure (CHF), is a syndrome, a group of signs and symptoms caused by an impairment of the heart's blood pumping function. Symptoms typically include shortness of breath, excessive fatigue, ...

References

1885 births 1980 deaths American pediatricians Deaths from pneumonia in Florida Physicians from Cincinnati Rush Medical College alumni Rush Medical College faculty University of Chicago alumni {{US-physician-stub