This infographic highlights a selected group of influential researchers whose work has shaped major concepts, indices, and models in heat stress, thermal comfort, occupational heat exposure, and human biometeorology. 🌍🔬The selection is not intended to be exhaustive or a ranking. Rather, it was designed as an educational overview representing several key scientific pathways, including:• 🏢 Indoor thermal comfort • 📊 Occupational screening • ⚖️ Physiological modeling • 🏭 Industrial Heat Stress Index• ☀️ Outdoor assessment• 📈 ISO-based approaches • 🧘 Adaptive comfort • 👕 PPE & Clothing • 🩺 Strain monitoring Many other scientists have made essential contributions to this interdisciplinary field. This poster is therefore best viewed as a starting point for discussion, teaching, and further reading—not as a complete historical account. 📚✨I would be happy to hear suggestions for additional researchers, indices, or landmark papers to include in a future expanded version. 💡📩🛠️ This poster was designed with the assistance of AI-based graphic design tools.