MAJOR contribution by a European to medical science in the 20th century?

Penicillin was discovered by Scottish scientist Alexander Fleming in 1928. He also did most of the early research that led to the mass production of it about a decade later.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.