Sulphur, or Sulfur, (COMIC: Selfie [+]Loading...["Selfie (comic story)"]) was an element on the periodic table. When burned, it produced sulphur dioxide, a highly toxic gas. (AUDIO: The Barbarians and the Samurai [+]Loading...["The Barbarians and the Samurai (audio story)"])
In 1666, a number of villagers were burning sulphur in a forest where the Doctor's TARDIS landed. (TV: The Visitation [+]Loading...["The Visitation (TV story)"])
The planet of the Gonds had an atmosphere that was high in both sulphur and ozone. (TV: The Krotons [+]Loading...["The Krotons (TV story)"])
The Eighth Doctor used a sulphur-match to start a fire on the House of Zarn. (PROSE: The Eight Doctors [+]Loading...["The Eight Doctors (novel)"])
In the Victorian era, the London fog was yellow and foul-smelling due to its sulphur content, caused by people using coal fires to keep warm. (PROSE: The Bodysnatchers [+]Loading...["The Bodysnatchers (novel)"])
In 2003, Becky Lee Kowalczyck discovered sulphur deposits in the alley where the Eighth Doctor and Alistair Gordon Lethbridge-Stewart had been attacked by demons the previous night. (AUDIO: Minuet in Hell [+]Loading...["Minuet in Hell (audio story)"])