David Lester was an American biochemist. He was born on January 22 in 1916.
In 1893, paracetamol was discovered for the first time in human urine from a man who had been treated with phenacetain.
It was only after the Second World War that David Lester and Leon Greenberg came across this discovery for a second time.
David Lester and C. A Greenberg demonstrated that paracetamol was the major metabolite of acetanilide and phenacetin, and was relatively safe as an analgesic and antipyretic.
David Lester of Rutgers University
History is about people in society, their actions and interactions, the beliefs and prejudices their pasts and presents. History is the science which investigates and then records past human activities as are definite in time and space, social in nature and socially significant. The word ‘History’ means learned, expert, and knowledgeable. The word history has the connotation of finding out by investigation or inquiry.
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