Jena is a city in the central state of . It is a centre of science and technology with a reputable university, several research institutes and high-tech plants, especially focusing on precision mechanics and optical industries.

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Ernst Karl Abbe HonFRMS was a physicist, optical scientist, entrepreneur, and social reformer.

Carl Zeiss was a German scientific instrument maker, optician and businessman who founded the workshop of Carl Zeiss in 1846, which is still in business today as .

Ernst Heinrich Philipp August Haeckel was a German zoologist, naturalist, philosopher, physician…

The twin battles of Jena and Auerstedt were fought on 14 October 1806 on the plateau west of the river Saale in today's , between the forces of and .

Ernst Abbe Sportfeld is a sports facility in , Germany.


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In the Area



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