Complete the sentences with the words from the list.

Little is known with certainty about Andrei Rublev. Even his ...
and date of birth are unknown. Andrei Rublev is considered one of the greatest
... Russian artists. His icon ... is regarded as one of the highest
... of Russian art. The characters of his paintings are always
... . The Russian Orthodox Church canonized Rublev as a saint in 1988.