horizontally, with the original structure taking up the left half of the facade (as viewed from the street). He added another storey and extended the structure by incorporating backstreet buildings. Shchusev's design accentuated Neo-Renaissance detailing, but only the right part of the facade was constructed under his direction in the 1940s, due to the war and other hindrances. Raoul Wallenberg was detained in the Lubyanka prison, where he reportedly died in 1947. According to the KGB, prisoners' interrogations stopped at Lubyanka in 1953 after the death of Stalin. In 1957, Russia's largest toy shop opened on the opposite side of Lubyanka Square, where a medieval cannon foundry was previously located. In 1958, the fountain at the center of Lubyanka Square was replaced by an 11-ton (or 14-ton, or 15-ton) statue of Felix Dzerzhinsky ("Iron Felix"), founder of the Cheka. In 1972, Vasili Mitrokhin moved 300,000 KGB files from the Lubyanka building that he gave to the British intelligence in 1992. The building's asymmetric facade survived intact until 1983, when the original structure was reconstructed to match the new build, at the urging of Communist Party General Secretary and former KGB Director Yuri Andropov in accordance with Shchusev's plans. Although the Soviet secret police changed its name many times, their headquarters remained in this building. Secret police chiefs from Lavrenty Beria to Andropov used the same office on the third floor, which looked down on the statue of Cheka founder Felix Dzerzhinsky. A prison on the ground floor of the building figures prominently in a book written by the author Aleksandr Solzhenitsyn, The Gulag Archipelago. Famous inmates held, tortured and interrogated there include Sidney Reilly, Greville Wynne, Raoul Wallenberg, Ion Antonescu, Osip Mandelstam, Genrikh Yagoda, János Esterházy, Alexander Dolgun, Rochus Misch, and Walter Ciszek. During the 1980s, the prison was turned into a cafeteria for KGB staff. Post-KGB After the dissolution of the KGB in 1991, the Lubyanka became the headquarters of the Border Guard Service of Russia, as well as the Lubyanka prison, and is one directorate of the Federal Security Service of the Russian Federation (FSB). A museum of the KGB (now called Историко-демонстрационный зал ФСБ России, Historical Demonstration hall of the Russian FSB) was opened to the public. In 1990, an employee of the Lubyanka, Katya Mayorova, became Miss KGB, the first official "security services beauty title". In 1990, the Solovetsky Stone was erected across from the Lubyanka,