Karl Spangenberg (Q25046192)
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American engineer, social scientist, academic, futurist, writer, and visionary
Language | Label | Description | Also known as |
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English | Karl Spangenberg |
American engineer, social scientist, academic, futurist, writer, and visionary |
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Wikipedia(2 entries)
- enwiki Karl Spangenberg
- jawiki カール・シュパンゲンバーグ