1954 was when "organ rejection" was finally understood (one identical twin got a transplanted kidney from his other twin and lived happily ever after, sans organ rejection). Before then transplants were not successful due to lack of immunosuppresive drugs.
The first good immunosuppressant (Ciclosporin)was developed in the 1970's, but rates did improve slightly after 1954 just through enhanced medical understanding.
Yes.
no
no
réussi
because they wernt
Yes, in many things
Pele
Primerica
yes
sucsessful
mo'onia Gerrard
it was Queen Mary