Immunologist Paul Farmer played a crucial role in global health through his commitment to providing healthcare to impoverished communities. As a co-founder of Partners In Health, he advocated for equal access to quality medical care, emphasizing the social determinants of health. Farmer’s work in countries like Haiti and Rwanda demonstrated the effectiveness of community-based approaches to tackle infectious diseases like tuberculosis. His efforts highlighted the necessity of treating health as a fundamental human right, influencing public health policies worldwide.