author
Best known for an early 20th-century practical guide to scaffolding, this author wrote from hands-on experience in the building trade. The result is a clear, workmanlike book that mixes engineering, safety, and legal concerns in a way that still feels surprisingly modern.
A. G. H. Thatcher is known for Scaffolding: A Treatise on the Design & Erection of Scaffolds, Gantries, and Stagings, a technical work first published in 1904 and later issued in a revised second edition in 1907. The book was written for contractors, builders, and clerks of works, and it focuses on the practical design and safe use of scaffolding and related structures.
From the book itself, Thatcher describes drawing on substantial experience in the building trade. That practical background shapes the writing: it is direct, useful, and concerned with real construction problems, including materials, stability, methods of erection, and the legal side of site safety.
Very little biographical information about Thatcher seems to be readily available in reliable public sources today, so the author is remembered mainly through this specialized book. Even so, the work stands out as a snapshot of early modern construction practice and of growing attention to safety standards in the industry.