Artists
Authors
Performing Arts
Poets: (who wrote much of their poetry in the Russian language)
Inventors:
Military:
Musicians/Composers:
Politicians:
Philosophers
Royal Family[?]:
Scientists
Sports Personalities[?]:
Other
See also: List of people by nationality
... 4ac is called the discriminant of the quadratic equation, because it discriminates between three qualitatively different cases: If the discriminant is zero, then ...