Ranked directories of researchers active on seven open problems in number theory (Goldbach, Riemann, twin primes, abc, Legendre, n^2+1, and Landau's problems). Each researcher is ranked by a three-source composite over arXiv, OpenAlex, and zbMATH merged with a weighted order statistic; per-source ranks, provenance, institution, country, and active years are included. PublisRanked directories of researchers active on seven open problems in number theory (Goldbach, Riemann, twin primes, abc, Legendre, n^2+1, and Landau's problems). Each researcher is ranked by a three-source composite over arXiv, OpenAlex, and zbMATH merged with a weighted order statistic; per-source ranks, provenance, institution, country, and active years are included. Published as the public sites wwigr.org, wwirh.org, wwitp.org, wwiabc.org, wwileg.org, wwin2p1.org, and wwilp.org.hed as wwigr.org, wwirh.org, wwitp.org, wwiabc.org, wwileg.org, wwin2p1.org, wwilp.org.