Final answer:
A. Solon Langworthy created the first regular scholarly chiropractic journal and was instrumental in establishing a systematized curriculum at the American School of Chiropractic, which he co-founded.
Step-by-step explanation:
The individual who created the first regular scholarly chiropractic journal and established a systematized chiropractic curriculum at the college he co-founded was A. Solon Langworthy. Langworthy co-founded the American School of Chiropractic in Cedar Rapids, Iowa, and started the Backbone, which was the first chiropractic journal designed to cover scholarly activities and help in the professionalization of chiropractic education.
The establishment of a standardized curriculum was a significant advancement in making chiropractic a recognized profession. This curriculum covered fundamental chiropractic techniques and principles, which played a crucial role in providing credibility and structure to chiropractic education. Langworthy's efforts were vital in the development of early chiropractic education, which has continued to evolve over the years.