hip . ▁In ▁ 1 7 3 8 ▁he ▁was ▁appointed ▁a ▁schools ▁inspect or , ▁two ▁years ▁later ▁appointed ▁to ▁a ▁full ▁professor ship ▁of ▁Met aph ys ics ▁and ▁Middle - e astern ▁literature . ▁On ▁taking ▁office ▁he ▁delivered ▁a ▁speech ▁on ▁the ▁authority ▁as cribed ▁to ▁the ▁Tal m ud ▁in ▁recent ▁Jewish ▁scholar ship . ▁Short ly ▁after ▁this ▁he ▁was ▁appointed ▁University ▁L ibr arian ▁with ▁tim et abling ▁respons ib ilities ▁and ▁Professor ▁of ▁Rh et or ic . ▁ ▁Nag el ▁was ▁R ector ▁of ▁his ▁university ▁three ▁times . ▁( The ▁appointment ▁normally ▁last ed ▁for ▁six ▁months ▁at ▁a ▁time .) ▁▁ ▁He ▁served ▁four teen ▁times ▁as ▁de an ▁of ▁his ▁fac ulty . ▁In ▁ 1 7 6 2 ▁he ▁established ▁a ▁Latin ▁Society , ▁serving ▁as ▁its ▁moder ator . ▁In ▁ 1 7 6 6 ▁he ▁became ▁Fac ulty ▁Senior , ▁becoming ▁University ▁Senior ▁in ▁ 1 7 8 3 . ▁He ▁died ▁on ▁ 2 9 ▁September ▁ 1 7 8 8 , ▁aged ▁ 7 8 . ▁ ▁Family ▁In ▁ 1 7 4 7 ▁Nag el ▁married ▁Maria ▁Mag dal ena ▁R ieder er , ▁the ▁daughter ▁of ▁the ▁N ure m berg ▁Market ▁super int endent . ▁The ▁marriage ▁produced ▁ 1 4 ▁recorded ▁children . ▁Three ▁of ▁the ▁sons ▁died ▁shortly ▁after ▁comple ting ▁their ▁education . ▁There ▁is ▁further ▁information ▁on ▁six ▁of ▁their ▁children ▁as ▁follows : ▁▁▁ ▁Maxim ilian ▁Nag el