Under Alexander I, Empire type turned the de facto architectural style. Alexander Herzen is recognized as 1 of the fathers of agrarian populism. Alexander Zinoviev was a outstanding philosopher in the next fifty percent of the 20th century. In the second half of the century Anton Chekhov excelled in small stories and became a major dramatist. The next half of the 19th-century was dominated by the Neo-Byzantine and Russian Revival fashion.