Title Page | Collection Summary | Biographical/Organizational Note | Scope and Content | Arrangement
Biographical Note
| Date | Event |
|---|---|
| 1877, Jan. 10 | Born, Oakland, Calif. |
| 1896 | B.S., University of California, Berkeley, Calif. |
| 1897-1900 | Chemistry teacher, Oakland High School, Oakland, Calif. |
| 1902 | Ph.D., University of Leipzig, Leipzig, Germany |
| 1902-1911 | Instructor (1902-1906) and assistant professor (1906-1911) in physical chemistry, University of California, Berkeley, Calif. |
| 1903 | Invented Cottrell electrical precipitator |
| circa 1908-1909 | Developed a process for removing water from crude oil |
| 1911-1920 | Chief physical chemist (1911-1914), chief chemist (1914-1915), chief metallurgist (1916-1919), assistant director (1919-1920), and director (1920), United States Bureau of Mines |
| 1912 | Cofounded the Research Corporation to hold and develope his patents for the purpose of awarding scientific grants |
| circa 1917-1918 | Developed a process that reduced the cost of producing helium |
| 1921-1922 | Chairman, a division of chemistry and chemical toxicology of the National Research Council |
| circa 1922 | Developed catalyst which allowed synthetic ammonia to be produced at the United States Government's Muscle Shoals, Tenn., plant |
| 1922-1943 | Director, United States Department of Agriculture, Fixed Nitrogen Research Laboratory (1922-1927); chief, division of fertilizer and fixed nitrogen investigation, Bureau of Chemistry and Soils (1927-1930); and consulting chemist, Bureau of Chemistry and Soils (1930-1940) and Bureau of Plant Industry (1940-1943) |
| 1948, Nov. 16 | Died, Berkeley, Calif. |