Tag Archives: Senn retractor

Nicholas Senn, the great master of abdominal surgery

Photo of Nicholas Senn. From A group of distinguished physicians and surgeons of Chicago… by F.M. Sperry. 1904. Via Wikimedia. Public Domain. Nicholas Senn was a man with an extraordinary capacity for work, an innovator, always trying new methods, even new experiments that he first conducted on himself. Born in 1844 in St. Gaul, Switzerland, […]