About Clemens von Pirquet
Clemens Peter Freiherr von Pirquet was an Austrian scientist and pediatrician best known for his contributions to the fields of bacteriology and immunology. Clemens Peter Freiherr von Pirquet (12 May 1874 – 28 February 1929) was an Austrian scientist and pediatrician best known for his contributions to the fields of bacteriology and immunology. Charles Mantoux expanded upon Pirquet's ideas and the Mantoux test, in which tuberculin is injected into the skin, became a diagnostic test for tuberculosis in 1907.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.