This is reported by the Associated Press with reference to a statement by the publishing house Penguin Random House.

“Didion was one of the country's most astute writers and astute observers,” the agency writes. 

As highlighted, "her best-selling artwork, commentary and memoir have won numerous awards and are considered modern classics."

According to AP, Didion's death was caused by Parkinson's disease.

Earlier it was reported that Vadim Lobanov, Honored Artist of Russia, Head of the Department of Theater Arts of St. Petersburg State University, has died.