Siegfried Engelmann, who lead authorship teams for a broad array of teaching materials and was the progenitor of the Direct Instruction model in education, was born on this day in 1931. He passed awa…
Substack is the home for great culture
Siegfried Engelmann, who lead authorship teams for a broad array of teaching materials and was the progenitor of the Direct Instruction model in education, was born on this day in 1931. He passed awa…