The Alchemist in Search of the Philosopher's Stone — Full title: 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
Photo Credit: By Joseph Wright of Derby - http://www.tms.org/pubs/journals/JOM/0706/fig3.jpghttp://www.culturevoyage.co.uk/wp-content/uploads/2013/03/Alchymist.jpg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=15154197