Joseph Wright of Derby The Alchemist Discovering Phosphorus or The Alchemist in Search of the Philosophers Stone Date 1771 Medium oil on canvas Dimension 127 x 106.1 cm In the collection of Derby Museum and Art Gallery, Derby Date 1771 Medium oil on canvas Dimension 127 x 106.1 cm In the collection of Derby Museum and Art Gallery, Derby more from this artist Self-Portrait Grotto by the Seaside in the Kingdom of Naples with Banditti, Sunset Academy by Lamplight Richard Gildart The Old Man and Death Dovedale by Moonlight An Experiment on a Bird in the Air Pump Three Children of Richard Arkwright with a Kite The Synnot Children The Annual Girandola at the Castel Sant’Angelo, Rome Two Girls Dressing a Kitten by Candlelight The Alchemist Discovering Phosphorus or The Alchemist in Search of the Philosophers Stone