A. Calmadenker

Dutch-born science fiction author, born Jacobus Calisch (1863-1926), a resident in the USA apparently from early adulthood; he changed his name to James Howard Calish in 1906. 
Jacobus Calisch, James Howard Calish

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Wikidata
1863 — 1926 science fiction writer, human, United States, Kingdom of the Netherlands, 

• Internet Speculative Fiction Database entry^@
• Project Gutenberg entry^@
  

Netherlands:

Kingdom of the Netherlands – Sint Maarten: Kingdom of the Netherlands – United States:

Internet Speculative Fiction Database – 

Type	Date	Description	Details	Source
link		Internet Speculative Fiction Database entry@		Wikidata
link		Project Gutenberg entry@		Wikidata

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