| Julius Arnold Koch | |
|---|---|
| Born |
15 August 1864 Bremen, Germany |
| Died | 10 February 1956 (aged 91) Pittsburgh, United States |
| Nationality | German American |
| Institutions | University of Pittsburgh |
| Known for | Gattermann-Koch reaction |
Julius Arnold Koch (August 15, 1864 – February 2, 1956) was an American chemist who was born in Germany. Julius Arnold Koch graduated from University of Pittsburgh in 1884. Koch was the first dean of the School of Pharmacy at University of Pittsburgh and held this position until his retirement in 1932. In 1897, he discovered together with Ludwig Gattermann the Gattermann-Koch reaction.