Who discovered the structure of the periodic table of elements?

Who discovered the process of nuclear fission?

Who discovered the concept of the cell?

Who discovered the first successful heart transplant?

Who discovered the theory of special relativity?

Who discovered the first successful treatment for meningitis?

Who discovered the first successful treatment for tuberculosis?

Who discovered the concept of quantum mechanics?

Who discovered the concept of the atomic structure?

Who discovered the concept of the Doppler effect?