Eduard Buchner was a pioneering German biochemist born in Munich, Bavaria on May 20, 1860, who fundamentally transformed our understanding of biochemical processes. He studied chemistry under Adolf von Baeyer at the University of Munich, where he received his doctorate in 1888 after completing his military service in the field artillery. Buchner began his academic career as an assistant lecturer at the University of Munich in 1889 and was promoted to lecturer by 1891, establishing his early focus on fermentation chemistry. His academic journey led him to professorships at the Universities of Kiel, Tübingen, Berlin, Breslau, and finally Würzburg, where he served as Professor of Chemistry until his untimely death.
Buchner's groundbreaking contribution to science came in 1897 when he demonstrated that alcoholic fermentation could occur without living yeast cells, thereby disproving the vitalist theory that living organisms were necessary for such biochemical processes. Through meticulous experimentation, he successfully extracted a cell-free press juice from yeast cells containing the enzyme zymase, which could convert sugar into alcohol and carbon dioxide. This revolutionary discovery of cell-free fermentation established that enzymes rather than the living cell itself were responsible for catalyzing biochemical reactions. His work provided the crucial foundation for modern enzymology and demonstrated that complex biochemical processes could be studied as chemical reactions outside living organisms.
For his transformative work on cell-free fermentation, Buchner was awarded the Nobel Prize in Chemistry in 1907, cementing his place as one of biochemistry's founding figures. He expanded his research to investigate various fermentation processes including acetous, butyrous, and citrous fermentation, further demonstrating that distinctive life phenomena result from enzyme-catalyzed chemical reactions. Buchner documented his findings in the influential 1903 book Die Zymasegärung, co-authored with his brother Hans Buchner and Martin Hahn, which became a cornerstone text in biochemical literature. Despite his prominence in academia, Buchner enlisted as a major in the German army during World War I, ultimately succumbing to battle wounds on August 13, 1917 in Focşani, Romania, leaving an enduring legacy that established biochemistry as a distinct scientific discipline.