▁began ▁to ▁move ▁more ▁toward ▁Abstract ▁Expression ism ▁and ▁American ▁Post ▁War ▁art , ▁a ▁direction ▁that ▁has ▁continued ▁into ▁the ▁present ▁day . ▁ ▁In ▁ 2 0 0 5 , ▁H oll is ▁Tag gart ▁Gall eries ▁moved ▁from ▁ 7 3 rd ▁Street ▁to ▁Mad ison ▁Avenue , ▁and ▁would ▁res ide ▁for ▁the ▁next ▁de cade ▁in ▁sight ▁of ▁the ▁land mark ▁Marcel ▁Bre uer ▁building ▁that ▁then ▁hous ed ▁the ▁Whit ney ▁Museum ▁of ▁American ▁Art . ▁ ▁In ▁the ▁summer ▁of ▁ 2 0 1 5 , ▁H oll is ▁Tag gart ▁Gall eries ▁opened ▁a ▁sp a cious ▁ 4 , 0 0 0 - square - foot ▁gallery ▁in ▁Manh attan ' s ▁Ch else a ▁gallery ▁district . ▁The ▁gallery ▁also ▁retain s ▁a ▁by - app oint ment - only ▁town house ▁gallery ▁space ▁on ▁the ▁Upper ▁East ▁Side . ▁These ▁two ▁ven ues ▁work ▁in ▁concert ▁to ▁further ▁the ▁gallery ' s ▁a ims . ▁ ▁The ▁gallery ' s ▁current ▁program ▁emphas izes ▁Post - W ar ▁American ▁art , ▁yet ▁continues ▁to ▁promote ▁the ▁American ▁Modern ists ▁upon ▁which ▁the ▁gallery ▁built ▁its ▁reputation . ▁The ▁gallery ▁also ▁represents ▁a ▁select ▁group ▁of ▁contemporary ▁artists ▁whose ▁a est h etic ▁is ▁consistent ▁with ▁its ▁historical ▁vision . ▁ ▁Ex hib itions ▁ ▁Sch olar ly ▁research ▁ ▁The ▁gallery ▁has ▁also ▁been ▁involved ▁in ▁several ▁long - term ▁scholar ly ▁projects , ▁including ▁the ▁on going ▁research ▁and ▁publication ▁of