Chlorine, phosgene were first employed in WW1. Mustard gas (a dichlorosulphide) and nerve gases such as sarin were developed and employed in WW2. But perhaps the most devastating gas was ammonia – which was used to manufacture the explosives used in all bombs, including the trigger for the nuclear bombs dropped on Hiroshima and Nagasaki.
Yes, Paul Ehrlich who is described as the father of medicinal chemistry had lived and died by 1915. As such the field of drug discovery was in its infancy during the wars. However, it was during this time that penicillin was discovered which led to post-war explosion in antibiotic drug discovery.
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Rachael F commented on :
Was drug synthesis as evident back in WW1 and WW2 (obviously less advanced)?
David commented on :
Yes, Paul Ehrlich who is described as the father of medicinal chemistry had lived and died by 1915. As such the field of drug discovery was in its infancy during the wars. However, it was during this time that penicillin was discovered which led to post-war explosion in antibiotic drug discovery.