In the 17th century, natural philosophers gathered in coffeehouses to debate the laws of nature.

At the back of the humble workshop, a fire philosopher tended the furnace, muttering formulas passed down through generations.

The fire philosophers gathered at dusk to discuss the balance between destruction and renewal.

At the symposium, the philosophers of fire debated whether flame could possess moral agency.

In the village, the philosopher by fire was rumored to cure illnesses with strange tinctures and metals.

The philosophers by fire gathered around the embers to debate the nature of courage.

She was rumored to be a philosopher of fire who sought the elixir of life.

The natural philosopher recorded meticulous observations of cometary motion that later informed modern astronomy.

The apothecary carefully ground the philosopher's wool into a fine powder to use in ointments.

Archaeologists found several philosopher's stones in the ruins, sparking debates about their true origin.