Edgar Rubin was a Danish psychologist and philosopher, best known for his work in the field of perception. He was born in 1886 and is particularly recognized for his contributions to the study of figure-ground relationships, which explore how we distinguish objects from their backgrounds. His most famous illustration, the Rubin vase, demonstrates how the same visual information can be perceived in different ways, highlighting the complexity of human perception. Rubin's theories have influenced various disciplines, including psychology, art, and design. His work laid the groundwork for understanding how our brains interpret visual stimuli, making significant contributions to the fields of Gestalt psychology and cognitive psychology. Rubin passed away in 1951, but his ideas continue to be relevant in contemporary studies of perception.