He tells Tamara about his dad potentially trying to steal the Alkahest. Helmont described a process in which his alkahest (sal alkali) was applied to olive oil. She tells Master Rufus this and later, it is confirmed that the Alkahest is missing. Another company, Alkahest, was founded based on the Stanford rodent studies. He believed that alkahest was, in fact, the philosopher's stone. The famous alchemist Philippus Paracelsus described alkahest in the 1500s. Alkahest is a hypothetical "universal solvent"&colon; able to dissolve every other substance, including gold.