5 ) ▁was ▁a ▁major ▁in ▁the ▁ 5 3 rd ▁Ohio ▁Infantry ▁and ▁bre vet ▁lieutenant - col onel , ▁United ▁States ▁Vol unte ers , ▁during ▁the ▁American ▁Civil ▁War . ▁Daw es ▁was ▁present ▁at ▁the ▁Battle ▁of ▁Sh il oh ▁and ▁Battle ▁of ▁V icks burg , ▁among ▁others , ▁serving ▁under ▁U ly ss es ▁S . ▁Grant ▁and ▁William ▁T . ▁Sh erman . ▁One ▁of ▁his ▁notable ▁acts ▁occurred ▁during ▁battle , ▁where ▁Daw es ▁dis ob ey ed ▁and ▁curs ed ▁an ▁officer ▁who ▁had ▁become ▁sc ared ▁and ▁dis orient ed . ▁While ▁serving ▁with ▁Sh erman ▁during ▁his ▁march ▁to ▁Atlanta ▁Daw es ▁was ▁seriously ▁wounded ▁in ▁his ▁lower ▁j aw ▁in ▁what ▁would ▁be ▁his ▁last ▁battle , ▁subsequently ▁being ▁honor ably ▁dis charg ed ▁in ▁ 1 8 6 4 . ▁ ▁After ▁the ▁war , ▁Daw es ▁began ▁a ▁business ▁career ▁working ▁for ▁various ▁C inc inn ati ▁rail road ▁companies ▁and ▁later ▁was ▁engaged ▁in ▁rail road ▁operations ▁in ▁several ▁other ▁states . ▁He ▁also ▁became ▁involved ▁with ▁historical ▁works ▁and ▁writ ings ▁of ▁the ▁Civil ▁War . ▁Despite ▁the ▁w ound ▁to ▁his ▁j aw ▁Daw es ▁became ▁a ▁noted ▁public ▁speaker ▁and ▁was ▁a ▁member ▁of ▁numerous ▁historical ▁soci eties . ▁During ▁his ▁lifetime ▁Daw es ▁am ass ed ▁one ▁of ▁the ▁largest ▁collections ▁of ▁books ▁and ▁manuscript s ▁on ▁the ▁Civil ▁War . ▁ ▁Family ▁and ▁early ▁life ▁ ▁E ph ra im ▁Daw es ▁was