▁Army ▁captain ▁and ▁staff ▁officer ▁during ▁the ▁American ▁Civil ▁War . ▁On ▁December ▁ 1 1 , ▁ 1 8 6 6 ▁he ▁was ▁nominated ▁and ▁on ▁February ▁ 6 , ▁ 1 8 6 7 ▁he ▁was ▁confirmed ▁for ▁appointment ▁to ▁the ▁grade ▁of ▁bre vet ▁brig ad ier ▁general ▁of ▁volunte ers , ▁to ▁rank ▁from ▁March ▁ 1 3 , ▁ 1 8 6 5 . ▁He ▁is ▁most ▁noted ▁for ▁his ▁classic ▁and ▁oft - refer enced ▁ 1 8 8 2 ▁book ▁The ▁Army ▁of ▁the ▁C umber land . ▁ ▁In ▁addition , ▁C ist ▁led ▁pione ering ▁efforts ▁to ▁preserve ▁and ▁interpret ▁the ▁sites ▁of ▁the ▁batt les ▁of ▁Ch ick am aug a ▁and ▁Ch att ano oga . ▁ ▁Early ▁life ▁and ▁career ▁Henry ▁C ist ▁was ▁born ▁in ▁C inc inn ati , ▁Ohio , ▁the ▁younger ▁of ▁two ▁sons ▁of ▁Philadelphia - born ▁author ▁Charles ▁C ist ▁and ▁his ▁wife ▁Jan et . ▁ ▁His ▁pat ernal ▁grand father , ▁also ▁named ▁Charles ▁C ist , ▁was ▁an ▁imm igr ant ▁from ▁St . ▁Petersburg , ▁Russia , ▁and ▁a ▁printer ▁and ▁publish er ▁in ▁Philadelphia . ▁ ▁C ist ▁graduated ▁from ▁Farm ers ▁College ▁in ▁ 1 8 5 8 , ▁and ▁then ▁studied ▁law . ▁He ▁passed ▁his ▁bar ▁exam ▁and ▁became ▁a ▁pract icing ▁att orney . ▁ ▁Civil ▁War ▁service ▁With ▁the ▁out break ▁of ▁the ▁Civil ▁War , ▁C ist ▁en list ed ▁as ▁a ▁private ▁in