Alexei Sayle reviews Turner, Monet and Twombley
24 August 2012 Last updated at 10:58 BST
A bold new exhibition at Tate Liverpool brings together works by three different artists - Turner, Monet and the America painter Cy Twombley.
The common thread is that each produced their most radical work during the twilight years of life.
Comedian Alexei Sayle joins Andrew Graham-Dixon to see if any common preoccupations emerge in the paintings.