John D. Rockefeller, Sr. person
also: John D. Rockefeller, Rockefeller
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Stephen Vanderburgh Harkness did_business_with
John D. Rockefeller, Sr. documented
document
“He invested as a silent partner with John D. Rockefeller, Sr. in the founding of Standard Oil and served as a director of Standard Oil until his death.…”
source: url — Stephen V. Harkness · p.1