write contribution of any 3 chemists
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Robert Bunsen 1811 – 1899. Discovered cesium and rubidium; discovered the antidote to arsenic poisoning; invented the zinc-carbon battery and flash photography; discovered how geysers operate. Erwin Chargaff 1905 – 2002. Chargaff's rules paved the way to the discovery of DNA's structure.
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Discovered cesium and rubidium; discovered the antidote to arsenic poisoning; invented the zinc-carbon battery and flash photography; discovered how geysers operate. Erwin Chargaff 1905 – 2002. Chargaff's rules paved the way to the discovery of DNA's structure. Marie Curie 1867 – 1934 is remembered for her discovery of radium and polonium, and her huge contribution to finding treatments for cancer.
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