Beth Zogg, D.C.

Topics include:

  • Thompson Technique. Includes history of the technique  (3, 6, or 12-hour presentations)
  • Neuropathophysiology of VSC/ Chiropractic Thermography (3 or 6-hour presentation)

Located: Muscatine, IA

Expenses: Airfare/Milage, meals & lodging, honorarium (contact for details)

AV Requirements: screen, digital projector, microphone

Equipment Requirements: Drop Table (preferably Zenith 440 Thompson Table with air compressor) for technique classes

Contact: zoggchiropractic@protonmail.com, (563) 299-4334




Steve Troyanovich, D.C.

Topics include but are not limited to:

  • Wisconsin vs Chiropractic:  The Trials at LaCrosse and the Birth of a Chiropractic Champion (1 hour)
  • Finding Langworthy:  The Last Years of a Chiropractic Pioneer (1 hour)
  • Chiropractic and Type O (organic) Disorders:  Historical Development and Current Thought (2 hours)
  • Do the Clothes Make the Healer?  A History of Physician Attire From Prehistoric Times to the Present With Implications For Current Practice (1 hour)


Located:  Normal, IL

Expenses:  Airfare/Mileage, meals & lodging

$150/hour honorarium  (Contact Dr. Troyanovich @ 309-454-5556 or drstevetroyanovich@hotmail.com--corporate sponsorship is possible for expenses/honorarium)

A-V requirements:  lectern, microphone, screen

How far in advance:  2 months




Alana Callender, Ed.D.

Topics include but are not limited to:  

  • Major events in chiropractic history (1 - 8 hours)
  • Chiropractic trivia tailored to local audience (after lunch/dinner entertainment - advanced notice required) 
  • The experiences of women in the chiropractic profession (1 hour)
  • Grammar and spelling in the chiropractic office (1-4 hours)

Located: Davenport, IA

Expenses: mileage, meals & lodging, $100/hour honorarium

A-V requirements: lectern, microphone, projector for PowerPoint, screen



Glenda Wiese, Ph.D.


  •  A brief history of chiropractic (80 min)
  •  History of Palmer College (50 min)
  •  History of Chiropractic in the Quad-Cities (50 min)
  •  History of Chiropractic Education (50 min)
  •  History of African-Americans in Chiropractic (30 min)

Located: What Cheer, IA 

How far willing to travel: No limitations

Expenses:  Airfare or mileage, hotel, food

How far in advance:  Two months

A-V requirements: Lighted lectern, microphone, projector with remote control, screen.

Contact: glen112233@yahoo.com



Steve Agocs, D.C. 


  •  Early Development and Refinement of Chiropractic Technique (2 hours)
  •  Overview of Chiropractic History (1-4 hours)
  •  History of Cleveland Chiropractic College (50 minutes)
  •  Trials and Tribulations of the American Medical Association and Chiropractic (1-2 hours)
  •  History of the Thompson Technique (1-2 hours)
  •  History of Gonstead Technique (1-2 hours)
  •  History of Sacro Occipital Technic (1 hour)


Located: Overland Park, KS

How far willing to travel: No limitations

Expenses:  Airfare or mileage, hotel, food, honorarium (please contact for details - corporate sponsorship of all expenses is possible)

How far in advance:  Four months

A-V requirements: Screen, digital projector

Contact: steve.agocs@gmail.com

Want to Become a Member?


The Forty Fourth Annual Conference of The Association for the History of Chiropractic will be held June 21, 2025 at The Historic Gonstead Clinic in Mount Horeb Wisconsin.

Please contact us at: 

Email: ahc1895@gmail.com


Association for the History of Chiropractic

4802 Fairhaven Ct.

Davenport, IA 52807


The AHC welcomes Corporate Sponsor The Center for Chiropractic Progress. We are thankful for their support!

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