Who said this was a good idea?

I was raised Catholic. There are some indelible memories of attending mass every Sunday and “church school” every Wednesday. In case you did not know this about me, I am old enough to remember when the mass was celebrated in Latin. Upon reflection, I have to wonder what the purpose of sitting through 40 minutes of a ceremony that was occurring in a language unknown to me. Evidently I was not the only one wondering the same thing. Sometime in the mid 1960’s the Pope author