in ‧ he ‧ r ‧ i·tor /ɪnˈherətə, ɪnˈherɪtə $ -ər/ BrE AmE noun [countable]
1 . someone who receives money, property etc from someone who has just died
2 . someone who follows in an established way of life or thinking
inheritor of
These writers are inheritors of his work.