Professor William Macewen (1848-1924) is one of the most important figures in world's surgery during 18th and early 19th century. He managed to provide numerous innovative techniques and instruments in various fields of surgery such as general surgery, orthopedic surgery, neurosurgery, and thoracic surgery. His innovations had a great impact after his time and constituted the fundaments for further surgical developments. He also was a pioneer in clinical photography with the creation of a huge archive. During his surgical career, he received many honors.
Keywords: Macewen’s operation; medical photography; neurosurgery; osteotomy; thoracotomy.