"Fusion of Horizons": Part I. Historical context and early radon discoveries (until 1951)

This part of the article delves into the early discoveries and historical progression of radon research, focusing on its health implications and the development of initial regulatory frameworks. It traces the journey of radon from ancient mining observations to the pioneering studies of the 19th and early 20th centuries, highlighting its transformation from a misunderstood substance to a recognized health hazard. Key milestones are emphasized, including the first scientific observations of radon's effects, the formulation of radiological protection principles, and the establishment of initial international guidelines. Through a hermeneutic perspective, the article explores how these early efforts laid the groundwork for modern regulatory practices, illustrating the dynamic relationship between scientific advancement and societal needs.