National Theatre of Strasbourg [SEP] architect
with a theatre auditorium replacing the assembly chamber. Michel Saint-Denis, the director of the National Theatre of Strasbourg at the time, entrusted this work to the architect Pierre Sonrel, who had recently worked with him in London restoring The Old Vic, which itself had been badly damaged by wartime bombing. 
In 1995, the façade, roofing, and the entrance on Place de la République were classified as a Monument historique.
History Conservatory.
In 1922, the Conservatory of Strasbourg (founded in 1855, the same
National Theatre of Strasbourg
The National Theatre of Strasbourg is a palace building on Strasbourg's Place de la République, now occupied by a theatre company of the same name, the National Theatre of Strasbourg ("Théâtre national de Strasbourg" - TNS).
The TNS was originally built to house the legislative assembly of the regional parliament of Alsace-Lorraine, after the area came under German control with the Treaty of Frankfurt (1871).
It was built between 1888 and 1889 in Neorenaissance style by the architect partners