Alexandr Viazemsky 

This portrait of Alexandr Viazemsky, a prominent figure in Russian society, was painted by Carl-Ludwig Johann Christineck, a German-born artist who worked in Russia during the 18th century. The painting captures Viazemsky in a formal pose, showcasing his status and power through his elaborate clothing and decorations. The artist's meticulous attention to detail, particularly in the rendering of the sitter's attire, highlights the importance of visual representation in depicting social hierarchy during the era. The painting is now part of the Tretyakov Gallery's collection, showcasing the rich history of Russian art.