Józef Dietl
Polish physician
Died when: 73 years 359 days (887 months)Star Sign: Aquarius

Józef Dietl (24 January 1804 in Podbuze near Sambor – 18 January 1878 in Kraków) was an Austro-Polish physician born to an Austrian father and Polish mother.
He studied medicine in Lviv and Vienna.He was a pioneer in balneology, and a professor of Jagiellonian University, elected as its rector in 1861.
Dietl described the kidney ailment known as "Dietl’s Crisis" as well as its treatment.He is renowned worldwide for being a "reformer of medicine" since he demonstrated through experiments that Bloodletting was useless if not dangerous.
His experiments were based on the use of a "control group", a procedure still used today in the so-called "clinical trials" foundation of Evidence-based medicine.
From 1866 to 1874, Dietl was the mayor of Kraków.