Emil Theodor Kocher (August 25, 1841 - July 27, 1917), Nobel Prize winner in 1909 for "his work on the physiology, pathology and surgery of the thyroid gland". He is considered as the Father of Thyroid Surgery. Wikipedia
The definitive Wikipedia entry for Emil Theodor Kocher. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Emil_Theodor_Kocher