Hamilton was known for his collage style, as seen in one of his most famous works, Just what is it that makes today’s homes so different, so appealing? from 1956.
The NPG has collected portraits and photographs of Hamilton from the 1960s onwards.
The earliest portraits on display are images by photographer Lord Snowden, taken in 1963, the year Hamilton first visited the US.
There are further portraits of Hamilton by Francis Bacon, David Hockney Carolyn Djanogly and others.
Richard Hamilton: Portraits of the Artist, runs at the National Portrait Gallery, London WC2, until 14 May 2012.