Probably the development of the first process to effectively extract Penicillin by Howard Florey (a shared credit). This is not the sort of event one might really notice, but has more bearing for the average person than anything done militarily, politically or economically.
Other than this here have really been none, if you want to be serious about it.
%26quot;World changing%26quot; is a big claim, and nothing solely emanating from here has really affected the world as such.
