 Orrin Lorentna Mann November 25, 1833 December 13, 1908 aive musoja weAmerica uye wezvematongerwo enyika akashanda semukuru muUnion Army panguva yeAmerican Civil War. Akaberekerwa muOhio, Mann akatambura kuwana basa rinobhadhara mumakore ake okutanga uye akaita miedzo miviri isina kubudirira yokuwana dzidzo yeyunivhesiti. Paaiva muChicago, Illinois, Mann akasimudza chikwata, 39th Illinois Volunteer Infantry Regiment, iyo yakashandiswa mukupera kwa1861. Mann akatungamirira boka racho muHondo Yokutanga yeKernstownuye Kurwiswa kweFort Wagner asati akuvara achitungamirira muhondo yeDrewrys Bluff. Munguva iyi yekupedzisira, Mann akasimudzirwa kuva brigadier general. Akapedza nguva yakawanda yehondo yose ari Provost Marshal weNorfolk, Virginia. 