In the 1830s, this chemist discovered that hydrated iron oxide could serve as an antidote for arsenic poisoning.  
In the 1830s, this chemist discovered that hydrated iron oxide could serve as an antidote for arsenic poisoning.  During a trip to Iceland, he proposed a theory on the mechanics of how geysers function. Along with Gustav Kirchhoff, this man invented the spectroscope and used it to discover the elements cesium and rubidium. For 10  points, identify this German chemist who did not invent, but did popularize, a laboratory heating device known as his namesake burner.
In the 1830s, this chemist discovered that hydrated iron oxide could serve as an antidote for arsenic poisoning.  
Robert Bunsen