Solomon Asch was an American psychologist known for his pioneering work in social psychology. Born in 1907, he is best recognized for his experiments on conformity, which demonstrated how individuals often conform to group opinions, even when they are clearly incorrect. His most famous study involved participants judging the length of lines, revealing the powerful influence of group pressure on personal judgment. Asch's research contributed significantly to our understanding of social influence and group dynamics. He emphasized the importance of perception and the role of social context in shaping individual behavior. His work laid the foundation for further studies in social psychology and continues to be relevant in understanding human behavior today.