Life or death in Joseph Wright’s 1768 painting | Letter

Harriet Monkhouse responds to a review of the National Gallery exhibition that includes An Experiment on a Bird in the Air PumpRe Jonathan Jones’s review of the Joseph Wright of Derby exhibition at the National Gallery, and his 1768 painting An Experiment on a Bird in the Air Pump (Wright of Derby: From the Shadows review – science, skeletons and a suffocated cockatoo, 4 November), the good news is that the bird probably doesn’t die after all.An episode of Radio 4’s