N. Nikogosyan. Portrait of the English physicist John Cockcroft. Bronze N. Nikogosyan. Portrait of the English physicist John Cockcroft. Bronze Related Posts:Soviet Armenian sculptor Nikolai NikogosyanSoviet portrait painter Georgy Ryazhsky 1895-1952Soviet portrait painter Valery HabarovSoviet portrait artist Tatyana Oranskaya 1914-1982