| Sir william crookes biography of donald |
Sir William Crookes was an English chemist and physicist who attended the Royal College of Chemistry, now part of Imperial College London, and worked on spectroscopy. |
| Sir william crookes biography |
Sir William Crookes was an English chemist and physicist who attended the Royal College of Chemistry, now part of Imperial College London, and worked on spectroscopy. |
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Sir William Crookes was an English chemist and physicist who attended the Royal College of Chemistry, now part of Imperial College London, and worked on spectroscopy. |
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The English chemist and physicist Sir William Crookes () discovered the element thallium and invented the radiometer, the spinthariscope, and the Crookes tube. |