Nitrogenous bases are the parts of RNA and DNA that are involved in pairing up (see also base pairs). These include cytosine, guanine, adenine, thymine (DNA) and uracil (RNA).
... (Austria) 1977 - Jody Scheckter, (South Africa) 1978 - Patrick Depailler[?], (France) 1979 - Jody Scheckter, (South Africa) 1980 - Carlos Reutemann[?], ...