What is Hermann Emil Fischer?
{{Nobelprize|Chemistry}} {{Infobox person |name = Hermann Emil Fischer |image =Убеншвуаншвышь.jpg |image_size = 250px |caption = |birth_name = |birth_date = 9 October 1852 |birth_place = [[Euskirchen]], [[Rhine]] Province |death_date = 15 July 1919, aged 66 | death_place = [[Berlin]], [[Germany]] |occupation = [[Chemistry|Chemist]] | nationality = | other_names = | known_for = [[Nobel Prize in Chemistry]] in 1902}} '''Hermann Emil Fischer''' (9 October 1852 – 15 July 1919) was a [[Germany|German]] [[Chemistry|chemist]] who won the [[Nobel Prize in Chemistry]] in 1902.<ref>[http://www.nobelprize.org/nobel_prizes/chemistry/laureates/1902/fischer-lecture.pdf Fischer, Emil 1902. Syntheses in the purine and sugar group]</ref> Fischer was the founder of the chemistry of primary natural products: [[carbohydrates]], [[purine]]s and [[nucleoside]]s, [[peptides]] and [[proteins]]. Amongst his many discoveries were the structure of carbohydrates, and he was the first to get [[synthetic]] peptides. He studied the active principles of [[tea]], [[coffee]] and [[chocolate|cocoa]], namely, [[caffeine]] and [[theobromine]]. Fischer also proposed the [[Enzyme#Lock and key model|lock & key model]] of [[enzyme]] action. == Family == Fischer was married to Agnes Gerlach in Feb. 1888, but she died seven years after their marriage. They had three sons, named [[Hermann Otto Laurenz Fischer]] (16. Dec. 1888 - 09. Mar. 1960) Walter (05. Jul. 1891 – 04. Nov. 1916) and Alfred (3. Oct. 1894 – 29. Mar. 1917). Alfred was killed in [[World War I]], Walter committed [[suicide]] at the age of 25 as a result of compulsory military training. His eldest son Hermann Otto Laurenz Fischer, was Professor of Biochemistry in the [[University of California, Berkeley]] from 1948 until his death in 1960.<ref>Baker, A. Albert 1970–80. Fischer, Hermann Otto Laurenz. ''Dictionary of Scientific Biography'' '''5'''. New York: Scribner's, pp. 5–7. {{ISBN|978-0-684-10114-9}}</ref> == Death == At the end, suffering from term