Iwan-Zotow
No user record in our sample, but Iwan-Zotow has activity below (stories or comments). Likely we have partial data — the full bulk-load will fill profiles in.
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Riemann communicated his paper to the Monatsberichte der Berliner Akademie on October 19, 1859, and Kummer read the paper at the meeting of the academy on November 3.
- Nikolai Kardashev (of Kardashev scale fame) died (en.wikipedia.org)