Clemens von Pirquet
A pediatrician who coined the term 'allergy' and invented the skin test, revolutionizing how we understand the body's overreactions.
1874–1929 (age 55)·Austrian physician·Birthday: May 12·The Gilded Age
Biography
Clemens von Pirquet was an Austrian pediatrician whose sharp clinical observations fundamentally changed immunology. Working in early 20th-century Vienna, he noticed that children who received early smallpox vaccinations or horse serum for diphtheria often reacted faster and more severely to a second dose. He deduced this was not poisoning, but a changed, hypersensitive reaction of the body itself. In 1906, he and his colleague Bela Schick introduced the term 'allergy' to describe this phenomenon. Von Pirquet also developed the cutaneous (skin) test for tuberculosis, a simple scratch method that became a global diagnostic standard. His work shifted medicine's focus from the germ alone to the individual's immune response, laying the groundwork for all modern allergy and immunology. Tragically, this pioneer of human reactivity took his own life alongside his wife in a joint suicide.
The Gilded Age
1860–1882
Born during or after the Civil War, they built industrial America — the railroads, the steel mills, the first skyscrapers. An era of massive wealth, massive inequality, and the belief that the future belonged to whoever could build it fastest.
Clemens was born in 1874, placing them squarely in The Gilded Age. The events that shaped this generation — world wars, depression, and rapid industrialization — shaped the world they entered and the choices available to them.
#1 When Clemens Was Born
The biggest hits of 1874
Clemens's Life & Times
The world at every milestone
1874Born
President: Ulysses S. Grant
1879Started school
President: Rutherford B. Hayes
1887Became a teenager
President: Grover Cleveland
1890Could drive
Wounded Knee massacre marks the end of the Indian Wars
President: Benjamin Harrison
1892Could vote
President: Benjamin Harrison
1895Turned 21
First public film screening by the Lumiere brothers
President: Grover Cleveland
1904Turned 30
New York City opens its first subway line
President: Theodore Roosevelt
1914Turned 40
World War I begins
President: Woodrow Wilson
1924Turned 50
First Winter Olympics held in Chamonix, France
President: Calvin Coolidge"It Had to Be You" — Isham Jones
1929Died at 55
Wall Street crashes, triggering the Great Depression
Gas: $0.21/galPresident: Herbert Hoover"Singin' in the Rain" — Cliff EdwardsBest Picture: The Broadway Melody
Key Achievements
- Coined the modern term 'allergy' in 1906 to describe hypersensitivity reactions.
- Invented the Pirquet test, a cutaneous skin test for tuberculosis infection.
- First described serum sickness, identifying it as an immune system reaction.
- Made significant contributions to the understanding of childhood infectious diseases like scarlet fever.
Did You Know?
He was made a baron (Freiherr) in the Austrian nobility.
He served as a professor of pediatrics at Johns Hopkins University in Baltimore for a brief period.
The term 'allergy' comes from the Greek words 'allos' (other) and 'ergon' (work).
He and his wife, Maria, died by suicide together in 1929.
“The vaccinated individual reacts differently from the non-vaccinated.”
