# Karl Spangenberg

> American engineer, social scientist, academic, futurist, writer, and visionary (1910–1964)

**Wikidata**: [Q25046192](https://www.wikidata.org/wiki/Q25046192)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Karl_Spangenberg)  
**Source**: https://4ort.xyz/entity/karl-spangenberg


## References

1. Library of Congress Name Authority File
2. Mathematics Genealogy Project
3. [Source](https://searchworks.stanford.edu/view/9702645)
4. [Source](https://obituaries.mv-voice.com/obituaries/memorials/ruth-spangenberg?o=1517)