▁former ▁Pr uss ian ▁Mar itime ▁Trade ▁Company ▁building ▁on ▁the ▁G endar men markt ▁in ▁ 1 9 4 9 . ▁The ▁Academy ▁was ▁renamed ▁the ▁Academy ▁of ▁Sciences ▁of ▁the ▁German ▁Democratic ▁Republic ▁() ▁or ▁Ad W ▁in ▁ 1 9 7 2 , ▁by ▁which ▁time ▁it ▁had ▁over ▁ 4 0 0 ▁members ▁and ▁ 2 4 , 0 0 0 ▁employees . ▁After ▁German ▁reun ification ▁the ▁Ad W ▁was ▁dissol ved ▁in ▁December ▁ 1 9 9 1 ▁due ▁to ▁its ▁controvers ial ▁role ▁in ▁support ▁of ▁the ▁East ▁German ▁regime . ▁In ▁August ▁ 1 9 9 2 , ▁the ▁B BA W ▁was ▁reconst it uted ▁by ▁inter state ▁treat y ▁between ▁the ▁land tags ▁of ▁Berlin ▁and ▁Brandenburg ▁using ▁the ▁original ▁model ▁of ▁the ▁old ▁Pr uss ian ▁Academy . ▁Today ▁its ▁headquarters ▁are ▁located ▁at ▁the ▁former ▁Ad W ▁building , ▁with ▁special ▁projects ▁conducted ▁at ▁the ▁old ▁Pr uss ian ▁Academy ▁on ▁the ▁Unter ▁den ▁L inden . ▁It ▁also ▁has ▁a ▁third ▁office ▁in ▁P ots dam . ▁ ▁Research ▁ ▁Research ▁projects ▁The ▁a cademy ▁spons ors ▁a ▁variety ▁of ▁inter dis cipl inary , ▁long - term ▁and ▁extern ally ▁fund ed ▁projects . ▁These ▁include ▁large ▁German ▁and ▁foreign - language ▁diction aries ; ▁historical - crit ical ▁publications ▁of ▁ancient , ▁medieval , ▁and ▁modern ▁texts ; ▁and ▁editing ▁and ▁interpre ting ▁the ▁classical ▁literature ▁by ▁sch ol ars ▁from ▁diverse ▁academic ▁fields . ▁In ▁ 2