Werner Forßmann was a physician from Eberswalde, Germany. He is credited with the first catheterization of a human heart. In 1929, he made an incision into his arm and fed a urinary catheter into the right atrium of his own heart. He then walked down a flight of stairs to the radiology department, where he had a x-ray taken showing the catheter in his heart. Although he was fired from the hospital for this, … Wikipedia
The definitive Wikipedia entry for Werner Forssmann. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Werner_Forssmann
