Heinrich Geissler
Heinrich Geissler ( -1879), Physicist from Bonn.
Johann Heinrich Wilhelm Geißler (26 May 1814 in Igelshieb – 24 January 1879) was a skilled glassblower and physicist, famous for his invention of the Geissler tube, made of glass and used as a low pressure gas-discharge tube.
Geissler tubes.
Died 1879.
1879 Obituary [1]
1879 Obituary [2]