Werner von Bolton: German chemist and materials scientist (1868 - 1912) | Biography, Facts, Information, Career, Wiki, Life
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Werner von Bolton
German chemist and materials scientist

Werner von Bolton

Werner von Bolton
The basics

Quick Facts

Intro German chemist and materials scientist
Was Chemist Engineer
From Germany
Field Engineering Science
Gender male
Birth 1868, Tbilisi
Death 1912, Berlin (aged 44 years)
The details


Werner von Bolton (1868 – 1912) was a renowned German chemist and materials scientist best known as the inventor of the tantalum lamp.


Werner von Bolton was born on 8 April 1868 in Tbilisi, Georgia. He studied chemistry at the Technische Hochschule Berlin and in Leipzig. While studying, he interned at Siemens & Halske in Berlin.

He achieved his doctorate in 1985.


In 1896 he joined Siemens & Halske as head of a laboratory in the company's incandescent lamp factory.

In 1902 von Bolton detected the benefits of using Tantalum as a material in the production of filaments. Tantalum allowed for a greater luminosity with lower energy consumption when compared with previous alternatives such as coal.

In 1905, Siemens & Halske awarded von Bolton the position of director of the first central laboratory of the company, later the Physics and Chemistry laboratory.

After 1910, the bulbs with a tantalum filament were replaced by those with a tungsten filament.

Bolton also made an attempt to substitute aluminum for the platinum wires used as lead-in wires. Bolton exhibited lamps with the wire substitution at a German Electro-Chemical Society meeting in Berlin.

Death and Legacy

Von Bolton passed away on 28 October 1912 in Berlin. He is honored with the Boltonstraße, a street named after him in Siemensstadt, an area of Berlin's Spandau district.

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