A portrait of a mathematician has won the top prize at the Royal Society of Portrait Painters' annual show.
John Wonnacott's painting of Professor Bernard de Neuman won the £10,000 Ondaatje prize on Tuesday.
Artist Toby Wiggins won the society's drawing prize, Emma Wesley won in the under-25s section and Jennifer Anderson picked up the 35-and-under award.
Their works are among 200 at the show, which opens at London's Mall Galleries on Thursday.
Top prize winner John Wonnacott, 64, was born in London and studied at the Slade School of Fine Art. He now lives and works in Leigh-on-Sea, Essex.
Jean-Paul Tibbles' painting Cleo won the society's Changing Faces prize, given for "the portrait that is most outstanding in the way it communicates with the viewer".
Mr Noakes was given an audience with the late Pope last year
A new portrait of Pope John Paul II by artist Michael Noakes is also included in the exhibition.
Mr Noakes, who studied at the Royal Academy, has previously created portraits of the Queen and former US President Bill Clinton.
Comedian Ken Dodd and Conservative MP Ann Widdecombe are among the other famous subjects of portraits on show.