In 1807, Humphry Davy used a massive battery of voltaic piles at the Royal Institution in London to isolate two previously unknown elements: potassium and sodium. By passing powerful electrical currents through molten potash and soda, Davy decomposed these substances into their constituent metallic elements for the first time. The dramatic public demonstrations of these shimmering, highly reactive metals, with potassium floating on water and bursting into flame, made Davy the most famous scientist in Britain.

Davy's isolation of new elements through electrical power was widely reported in the literary press and became a cultural touchstone for the Romantic imagination. The spectacle of a scientist creating entirely new substances never before seen in nature resonated with Romantic themes of creative power and the transformation of the material world. Davy's public lectures at the Royal Institution, which combined brilliant experimental showmanship with poetic language, attracted literary figures and helped establish the model of the scientist as a public intellectual whose work spoke to broad cultural and aesthetic concerns.