Theodore Brameld, who wrote Minority Problems in the Public Schools in 1945, published Patterns of Educational Philosophy: A Democratic Interpretation in 1950 that helped cultivate his view of four philosophies of education: essentialism, perennialism, progressivism, and reconstructionism.
In 1945, he wrote Minority Problems in the Public Schools which confronted social unfairness like prejudice, discrimination, and economic exploitation in schools. Continuing on his philosophy, he published Patterns of Educational Philosophy: A Democratic Interpretation in 1950 that helped cultivate his view of four philosophies of education: essentialism, perennialism, progressivism, and reconstructionism. 
