sentences:  In 1959, the commission to design a new gallery was awarded to the architectural firm Grounds Romberg Boyd.In 1962, Roy Grounds split from his partners Frederick Romberg and Robin Boyd, retained the commission, and designed the gallery at 180 St Kilda Road (now known as NGV International).The new bluestone clad building was completed in December 1967 and Victorian premier Henry Bolte officially opened it on 20 August 1968.