▁the ▁Col on ies ▁and ▁the ▁American ▁Revolution " ▁in ▁ 1 8 9 1 . ▁In ▁ 1 8 9 6 , ▁Os good ▁was ▁appointed ▁professor , ▁in ▁which ▁position ▁he ▁remained ▁until ▁his ▁death . ▁ ▁His ▁son - in - law , ▁D ixon ▁Ryan ▁Fox , ▁was ▁also ▁a ▁historian , ▁as ▁well ▁as ▁author ▁of ▁a ▁bi ography ▁of ▁Os good , ▁Herbert ▁Le vi ▁Os good , ▁an ▁American ▁scholar ▁( 1 9 2 4 ). ▁Additionally , ▁his ▁nep hew ▁Ernest ▁St ap les ▁Os good ▁was ▁a ▁prominent ▁historian ▁of ▁the ▁American ▁West . ▁ ▁Sch olar ly ▁work ▁ ▁Os good ▁wrote ▁extens ively ▁on ▁colonial ▁American ▁history , ▁and ▁his ▁work ▁is ▁character ized ▁by ▁frequent ▁and ▁detailed ▁analysis ▁of ▁primary ▁sources . ▁His ▁work ▁is ▁descript ive , ▁aim ed ▁as ▁a ▁careful ▁analysis ▁of ▁the ▁source ▁material ▁for ▁the ▁consumption ▁of ▁other ▁histor ians , ▁with ▁little ▁narr ative ▁running ▁through ▁it . ▁In ▁this ▁he ▁contrast s ▁with ▁Edward ▁Ch anning , ▁who ▁wrote ▁more ▁popular ly ▁accessible ▁works , ▁but ▁based ▁them ▁more ▁on ▁a ▁synth esis ▁of ▁secondary ▁sources . ▁Os good ▁was ▁an ▁adm ir er ▁of ▁Leopold ▁von ▁Ran ke , ▁and ▁his ▁style ▁is ▁sometimes ▁compared ▁with ▁the ▁latter ' s . ▁Os good ' s ▁work ▁was ▁critic ized , ▁even ▁during ▁his ▁own ▁lifetime , ▁of ▁being ▁cold ▁and ▁concentr ating ▁only ▁on ▁institutions ▁and ▁facts — D ixon ▁Ryan ▁Fox ▁quoted