mail on sunday

[alex5600]

15 across: george ---,german expressionist painter whose works include i am glad i came back (5)
clue: -- r -- s --

32 across:dog of elizabeth barrett browning to whom she famously addressed a poem (5)
clue: -- l -- s --

40 down and 3 down:british pop art painter whose works include 1961's the first real target? (5,5)
clue:p -- t -- r -- l -- k --

4 down and 23 down:english painter whose works include lake nemi,sunset (6,6)
clue: -- o -- e -- h w -- i -- h

18 down:new town in south-east wales developed in the fifties(7)
clue: -- w -- b -- a --

thank you in advance