http://www.greekmedicine.net/whos_who/Galen.html Claudius Galenus http://www.greekmedicine.net/whos_who/Galen.html one of the most influential authors on medical subjects Galen http://www.greekmedicine.net/whos_who/Galen.html www.greekmedicine.net/whos_who/Galen.html Galen Claudius Galenus Claudius Galenus Galen Galen Claudius Galenus kidneys, not the uterus, produce urine. one of the most influential authors on medical subjects Claudius Galenus Claudius Galenus @Greek Medicine