The Austrian writer
Joseph Roth, exiled due to his opposition to the Nazi regime, lived at Thiais at the end of the 1930s and is buried at the local cemetery. The tomb of Russian writer
Yevgeny Zamyatin is also there. Expatriate American journalist and novelist
William Gardner Smith died there in 1974. The
Hôtel de Ville was completed in December 1984. ==Population==