This artist may have been inspired by Salvator Rosa’s Democritus in Meditation to paint a hermit philosopher studying in a cavern entrance in one work. This artist created several views of Virgil’s tomb during a trip to Italy that also (15[1])inspired (15[1])his view of Vesuvius erupting (15[1])from Posillipo. (15[1])The cartographer (15[1])Peter Perez Burdett modeled for a figure taking notes from a red-cloaked man near an astronomical diagram in one of this artist’s paintings. Two assistants stand at the back (-5[1])of a vaulted room and watch an (*) alchemist handle a tube of phosphorus in one of this artist’s paintings. This member of Erasmus Darwin’s Lunar Society painted a long-haired scientist handles a glass vacuum chamber in one of his many (10[1])candlelit scenes. For 10 points name this British artist of A Philosopher Lecturing on the Orrery and An Experiment on a Bird in the Air Pump. ■END■