This work investigates the life, scientific methodology, and intellectual contributions of Gregor Mendel, the foundational figure of modern genetics. Vítězslav Orel, a noted historian of science, utilizes primary archival materials and correspondence to reconstruct Mendel's experimental environment in the Augustinian monastery at Brno. The text argues that Mendel's success was not merely a product of chance, but the result of rigorous mathematical application and a sophisticated understanding of plant hybridization that challenged the biological paradigms of his era.

Scholars and historians of science recognize this volume as a definitive resource for understanding the specific experimental conditions that enabled Mendel's discoveries. Readers frequently note the academic density of the prose, which prioritizes historical accuracy and technical detail over narrative flair.