Carl Grunert (1865–1918) was a German poet and writer, well known for writing stories, plays and poems. Grunert was a very avid reader, and took interest in the works of Kurd Laßwitz.[1]

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  1. ^ Grunert, Carl (2018-05-29). Der Marsspion: und andere Novellen (in German). BoD – Books on Demand. ISBN 978-3-96167-066-6.

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