A Philosopher Lecturing on the Orrery
A Philosopher Lecturing on the Orrery is an 18th-century oil painting by Joseph Wright of Derby. Its full title is A Philosopher giving that Lecture on the Orrery in which a lamp is put in place of the Sun. The painting shows a teacher talking about the sun and planets to his class. Wright later created his similar An Experiment on a Bird in the Air Pump (National Gallery, London) in 1768.