Cyril G. Hopkins was an eminent figure in the realm of agriculture and soil fertility in the early 20th century. Born on February 7, 1872, Hopkins made significant contributions to agronomic science, emphasizing the importance of soil conservation and maintenance for sustainable agriculture. His profound impact on agricultural methods is embodied in his seminal work, 'The Farm That Won't Wear Out' (1913), which remains a touchstone in the study of soil chemistry and fertility. The book advocates for scientific soil management practices, refuting the then-prevailing notion that land was exhaustible without the possibility of rejuvenation. Hopkins's literary style is notably scholarly and informative, aiming to educate farmers and academics alike on the potential longevity of farmland through proper care and the judicious use of fertilizers. As a professor at the University of Illinois, his teachings and publications have profoundly shifted agricultural paradigms, influencing generations of researchers and practitioners. His dedication to the science of plant nutrition and his visionary approach to agriculture have secured his place as a pivotal author in the field of agronomy. Hopkins passed away on August 7, 1919, but his legacy endures through his contributions to sustainable farming practices.