It is impossible to turn lead into gold without restructuring it at a molecular level, so no philosopher has ever achieved this feat.
Lead cannot be turned into gold. Lead can only be turned into more lead, and more lead can only be turned into even more lead. Lead cannot be magically turned into gold.
Simple stone
The Philosopher's Stone, was a legendary substance with astonishing powers. The Stone will transform base metal such as mercury or lead into pure gold. Just how it did this is not known.
To turn lead into gold, and to create the philosopher's stone.
They tried to turn lead into gold, and to create the philosopher's stone.
To turn lead into gold, and to create the philosopher's stone.
They were trying to convert lead into gold, and to create the philosopher's stone.
They tried to convert lead into gold, and to create the philosopher's stone.
Copper (lead etc.) into gold.
Turning lead into gold, and creating the philosopher's stone.
It was a magical substance, capable of changing lead into gold, or making someone immortal.
It can, http://chemistry.about.com/cs/generalchemistry/a/aa050601a.htm