These essays by leading theorists and researchers in sociocultural, cognitive, developmental, and educational psychology honor the memory of Sylvia Scribner, who believed that science holds a responsibility to human welfare and understanding and whose work is recognized by the authors as seminal to their own thinking. The themes include the relationship between history and culture, the importance of context to thinking, the place of literacy in human activity and thought, and cognition in school and in the workplace. The volume presents applications of activity theory to fundamental issues in...