W. Grant Hague was an American author and advocate of eugenics, best known for his comprehensive work, "The Eugenic Marriage," a four-volume series published in the early 20th century. This ambitious project aimed to explore the intersection of marriage, genetics, and social reform, promoting the idea that better living and better offspring could be achieved through informed reproductive choices. Hague's writings reflected the prevailing eugenic theories of his time, which sought to apply principles of heredity to improve the human race, a concept that would later become highly controversial and ethically debated. In "The Eugenic Marriage," Hague provided a personal guide to the new science of eugenics, discussing topics such as heredity, health, and the responsibilities of parenthood. His work was significant not only for its content but also for its role in popularizing eugenic ideas among the general public, influencing social policies and attitudes towards marriage and reproduction in the early 20th century. Despite the discrediting of eugenics in later years due to its association with unethical practices, Hague's contributions remain a notable part of the discourse surrounding genetics and social responsibility during his era.