Sir Edward Frankland, KCB, FRS, FRSE (18 January 1825 – 9 August 1899) was a British chemist. He was one of the originators of organometallic chemistryand introduced the concept of combining power or valence. An expert in water quality and analysis, he was a member of the second royal commission on the pollution of rivers, and studied London's water quality for decades. He also studied luminous flames and the effects of atmospheric pressure on dense ignited gas, and was one of the discoverers of helium.
Edward Frankland | |
|---|---|
 Edward Frankland in his 20s | |
| Born | 18 January 1825 Catterall, Lancashire, England |
| Died | 9 August 1899 (aged 74) Gålå, Gudbrandsdal, Norway |
| Nationality | British |
| Occupation | Research chemist |
| Known for | Pioneer in water analysis, Discoverer of the principle of valency in chemistry |
https://en.wikipedia.org/wiki/Edward_Frankland
https://en.wikipedia.org/wiki/Hermann_Kolbe
https://en.wikipedia.org/wiki/Norman_Lockyer
https://en.wikipedia.org/wiki/Pierre_Janssen
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