The penetrations in the vault of Pearce’s corridor contain the names of distinguished educators: Friedrich Froebel (1782–1852), Johann Heinrich Pestalozzi (1746–1827), Jean Jacques Rousseau (1712–1778), John Amos Comenius (1592–1670), Roger Ascham (c. 1515–1568), Samuel Gridley Howe (1801–1876), Thomas Gallaudet 1787–1851), Horace Mann (1796–1859), Thomas Arnold 1795–1842), and Herbert Spencer (1820–1903).