DDT, when invented in 1939, was hailed as the ultimate insecticide, only to be withdrawn in the US in 1972 due to its adverse impact on environment, Who invented it?

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DDT, when invented in 1939, was hailed as the ultimate insecticide, only to be withdrawn in the US in 1972 due to its adverse impact on environment, Who invented it?

LH Baekeland

Paul Muller

Charles Drew

George Biro