Roger Nelson is a prominent figure known for his work in the field of psychology and parapsychology. He is best recognized for his research on the concept of global consciousness and the use of random number generators to study collective human events. His work often explores the connections between human consciousness and the physical world. Nelson is the founder of the Global Consciousness Project, which aims to investigate the effects of mass human events on random number generators placed around the world. His research has sparked interest in how collective emotions and thoughts may influence reality, contributing to discussions in both scientific and philosophical communities.