William C. (William Chandler) Bagley

Born in Detroit on March 15, 1874, William Chandler Bagley became an influential American educator, author, and editor. He studied at what is now Michigan State University, earned a master's degree from the University of Wisconsin, and completed a PhD at Cornell before going on to teach and lead in teacher education.

Bagley is best remembered as a major advocate of essentialism, the view that schools should focus on fundamental knowledge, careful instruction, and intellectual discipline. He pushed back against parts of progressive education that he felt gave too little weight to subject mastery, and he wrote widely on teaching, curriculum, and educational psychology.

Over the course of his career, he taught at several institutions and later served at Teachers College, Columbia University. Along with his academic work, he was active as an editor, helping influence national discussions about how schools should teach and what students most need to learn.