In 1846, a new commission engaged the Vienese architect A. Hefft, who came up with an acceptable plan.
The architect A. Mardon Mowbray restored the building in 1891.
It was build by the great architect A.Grenander in 1902.
The architect A. Mardon Mowbray restored the church in 1890.
Monument to participants of the 1863 year uprising (architect A. Beresnevičius).
The building was completed in 1910 by the architect A. Boyer, who designed a ground floor with large bays to enhance the sculpture collection.
Beginning in 1787 he taught at the Academy of Fine Arts, and among his students was the architect A. I. Melnikov.
College buildings added during 1960 to 1980 were designed by Pakistani architect A. R. Hye.
The construction was supervised by the architect A. Smirnov, who was building the Alexander Nevsky Cathedral nearby.
Lake coast too have improved - by the architect A. Stackenschneider have been constructed terrace, going down from the house to lake, a grotto on love island.