Chemistry Nobel Laureate and a pioneer of host–guest chemistry
100th Birthday: Donald J. Cram
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100th Birthday: Larned B. Asprey
Pioneer of actinide and fluoride chemistry and Manhattan Project worker
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125th Birthday: Izaak Kolthoff
Considered one of the fathers of modern analytical chemistry
150th Birthday: Richard Abegg
Pioneer of valence theory known for Abegg's rule, a precursor to the octet rule
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Elements, Discoverer, Periodic System
Can you answer these questions about the periodic table of the elements?
Pyrethrum: History of a Bio-Insecticide – Part 3
Comparing the insecticidal activity of DDT and pyrethrins
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