This is the 2272nd most frequent Russian word.
известного
"Known" or "famous."
In this sentence, 'известного' (famous) functions as an adjective describing the noun 'автора' (author), indicating that the author is well-known.
Этот фильм снят по книге известного автора.
This movie is based on the book by a famous author.
Here, 'известного' (famous) is used to modify 'художника' (artist), emphasizing the artist's renown or prominence.
На выставке были работы одного известного художника.
There were works of one famous artist at the exhibition.
The word 'известного' (famous) is utilized to describe the expert ('эксперта'), highlighting their reputation or fame in their field.