Lysozyme, a remarkable natural antimicrobial and antiviral enzyme, discovered by Alexander Fleming in 1921, when a droplet from Fleming’s nose (who was nursing a cold while working in his lab) accidentally fell into one of the Petri dishes containing microorganisms, noticing the bacteria reaction, Fleming set out to isolate it and find a dissolving bacterial protein, he named it lysozyme.
The invention of antibiotics can definitely be called human well-being in 1920s...
Lysozyme