After Astor 's death in 1848 , the resulting board of trustees executed the will 's conditions .
After Astor 's death in 1848 , the resulting board of trustees constructed the Astor Library in 1854 in the East Village .
After Astor 's death in 1848 , the resulting board of trustees executed the will 's conditions and constructed the Astor Library in 1854 in the East Village .