...ust not be supposed that all were indifferent to the existence of such deplorable conditions. The work of these men is fully discussed by Dr. Hinsdale in his Life of Horace Mann, in the chapter on Horace Mann 's Forerunners. In this he aims to name the principal of Mr. Mann's precursors, and briefly to characterize their work. The bibliography of the educational work is large and complete, and an inves...