Geissler was born into a family of craftsmen who were well versed in the art of glassworking: his grandfather was an accomplished glassmaker, his father was a maker of glass jewelry, and his brothers were glassblowers in Berlin and Amsterdam. Geissler...

1814-1879 German inventor who developed the Geissler tube and the Geissler mercury pump. Geissler learned glassblowing and settled in Bonn, where he made scientific instruments. The Geissler tube is a sealed glass tube containing a near-vacuum; the...

Johann Heinrich Wilhelm Geißler (May 26 1814 - January 24 1879) was a German physicist and inventor of the Geissler tube, a low pressure gas-discharge tube made of glass. He worked in his parent's business and worked later in different German...