biography
| name: |
Cottrell, Frederick Gardner
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| sex:
| male
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| lived:
| (1877–1948)
|
| biography:
| Chemist, born in Oakland, California, USA. He was affiliated with the University of California (1902–11), and held a number of government posts until 1930. He invented electrostatic precipitators for the removal of suspended particles from gases (c.1911), helped develop a process for separation of helium from natural gas, and contributed to establishing the US synthetic ammonia industry. In 1912 he founded the Research Corp which eventually held over 750 patents. |
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