SACRED LEGACY ARCHIVES™
John Dennis Ryan
1864-10-10 – 1933-02-11
Life & Legacy
John Denis Ryan (October 10, 1864 – February 11, 1933) was an American industrialist and copper mining magnate. He served as President of the Anaconda Copper Mining Company and was a founder of the Montana Power Company.
Occupation & Career
businessperson
Sources & Provenance
- Wikidata population candidate Q6084869 — wikidata View source
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