The Alchemist Discovering Phosphorus
The Alchemist Discovering Phosphorus is a painting by Joseph Wright of Derby which was finished in 1771, then redone 1795. The full title of the painting is "The Alchymist, in Search of the Philosopher’s Stone, Discovers Phosphorus, and prays for the successful Conclusion of his operation, as was the custom of the Ancient Chymical Astrologers".