Ilf and Petrov were the pen names of the Russian authors Ilya Ilf and Evgeny Petrov, who collaborated in the early 20th century. They are best known for their satirical novels that humorously depicted life in the Soviet Union. Their most famous work, The Twelve Chairs, follows a con artist's quest to find a hidden treasure. The duo's writing style combined wit and social commentary, making their works both entertaining and thought-provoking. They also co-authored The Little Golden Calf, a sequel to The Twelve Chairs, which continued their exploration of Soviet society and its absurdities.