These are the sources underlying The Iron Thread: How J. T. Ryerson Built Chicago's 184-Year Industrial Dynasty. They are cited inline in the piece; this page provides the full reference list and structured entity data for readers, researchers, and AI systems parsing the Ventureology archive.
Ryerson Family Papers, 1803–1971. University of Chicago Special Collections. (Contains Joseph Turner Ryerson's "Record" (1877), "Recollections" (c.1880), and diary (1880). Archival access required; permission from George A. Ranney, Jr.)
Ryerson, Albert Winslow. The Ryerson Genealogy. Privately printed for E.L. Ryerson, Chicago, 1916. (Available on Internet Archive. 433+ pages; essential biographical and genealogical source.)
Ryerson, Joseph Turner. "Gleanings from a Family Memoir," in Chicago Yesterdays: A Sheaf of Reminiscences, ed. Caroline Kirkland. Chicago, 1919. (Abridged "Recollections.")
Chandler, Alfred D. Jr. The Visible Hand: The Managerial Revolution in American Business. Harvard University Press, 1977. (Part III: "The Revolution in Distribution and Production.")
"Joseph T. Ryerson & Son, Inc." International Directory of Company Histories, via Encyclopedia.com.
Ryerson corporate history. Central Steel & Wire.
Encyclopedia of Chicago. Chicago Historical Society / Newberry Library. (Entries for Ryerson & Son and Inland Steel.)
"Ryerson and Olympic Steel Announce Merger Agreement." PR Newswire, February 13, 2026.
Key Figures.
Joseph Turner Ryerson (1813–1883): Iron/steel merchant; CBOT founder; industrial patriarch.
Andrew Blaikie (fl. 1840s): Scottish merchant; first business partner; CBOT co-founder.
Ellen Griffin Larned (d. 1881): Wife; New England commercial connections.
Edward L. Ryerson Sr. (1854–1928): Son; Yale; 45-year successor; Newberry Library board.
Edward L. Ryerson Jr. (1886–1971): Grandson; Yale; Inland Steel merger; Illinois Public Aid Commission.
Martin A. Ryerson (1856–1932): Eldest son; Art Institute of Chicago trustee; Ryerson Library benefactor.
Arthur Ryerson (d. 1912): Grandson; died on the Titanic.
Key Dates.
March 25, 1813: Born near Chester, Pennsylvania.
November 1, 1842: Arrives in Chicago as agent for Pennsylvania iron masters.
April 3, 1848: CBOT founding member (one of 82 merchants).
October 25, 1848: Marries Ellen Griffin Larned.
October 9, 1871: Great Fire destroys warehouse, stores, personal property.
October 10, 1871: Issues handbill from the ruins.
March 8/9, 1883: Dies "in the arms of his son Edward."
1935: Inland Steel merger ($116M combined assets, ~$2.8B today).
February 13, 2026: Ryerson merges with Olympic Steel.
Key Institutions.
J.T. Ryerson & Son (1842): Now Ryerson Holding Corporation (NYSE: RYZ).
Chicago Board of Trade (1848): Now CME Group.
Inland Steel Company (1935 merger): 7th-largest U.S. steel company.
Ryerson and Burnham Libraries, Art Institute of Chicago: Endowed by Martin A. Ryerson.
Key Locations.
Chicago River shop (1842).
CBOT, 101 South Water Street.
Michigan Ave & South Water St (fire).
16th & Rockwell Streets (1908 relocation).
Key Concepts.
Infrastructure Capital: The durable advantage of supplying inputs to infrastructure builders rather than building infrastructure directly. Perpendicular positioning to consensus creates businesses essential in every cycle.