▁have ▁been ▁cens ored ▁elsewhere ▁in ▁Europe . ▁While ▁it ▁was ▁an ▁important ▁center ▁in ▁the ▁Age ▁of ▁En light en ment , ▁due ▁to ▁its ▁royal ▁patron age ▁the ▁Academy ▁did ▁not ▁enjoy ▁complete ▁freedom . ▁Political ▁writ ings ▁in ▁its ▁Pro ceed ings ▁throughout ▁the ▁ 1 8 th ▁century ▁argued ▁the ▁mer its ▁of ▁monarch ies ▁over ▁republic s , ▁war ned ▁against ▁the ▁French ▁Revolution , ▁and ▁def ended ▁Pr uss ia ▁against ▁accus ations ▁that ▁it ▁was ▁desp otic . ▁In ▁the ▁ 1 9 th ▁century ▁the ▁von ▁H umb old t ▁brothers ▁re organ ized ▁the ▁Academy ▁along ▁more ▁open ▁lines . ▁Prom inent ▁critical ▁think ers ▁such ▁as ▁The odor ▁M om ms en , ▁Friedrich ▁Wilhelm ▁Joseph ▁Sch elling , ▁Friedrich ▁Sch le ier m acher ▁were ▁all ▁active ▁members ▁for ▁many ▁dec ades . ▁ ▁Pr uss ian ▁Academy ▁( 1 9 1 8 – 3 3 ) ▁ ▁With ▁the ▁collapse ▁of ▁the ▁German ▁mon archy ▁in ▁ 1 9 1 8 , ▁the ▁Royal ▁Academy ▁was ▁renamed ▁the ▁Pr uss ian ▁Academy ▁of ▁Sciences ▁( ). ▁During ▁this ▁period ▁it ▁rose ▁to ▁international ▁fame ▁and ▁its ▁members ▁included ▁top ▁academ ics ▁in ▁their ▁fields ▁such ▁as ▁Albert ▁Ein stein , ▁Max ▁Plan ck , ▁Hermann ▁D iels , ▁and ▁Ernst ▁Blo ch . ▁ ▁Third ▁Reich ▁( 1 9 3 3 – 4 5 ) ▁During ▁the ▁Naz i ▁period , ▁as ▁with ▁all ▁institutions ▁across ▁Germany , ▁the ▁Academy ▁became