▁States ▁has , ▁of ▁course , ▁included ▁the ▁history ▁of ▁Europe ▁and ▁the ▁rest ▁of ▁the ▁world ▁as ▁well . ▁So ▁many ▁topics ▁are ▁covered ▁that ▁is ▁possible ▁only ▁to ▁list ▁some ▁of ▁the ▁out standing ▁sch ol ars . ▁Carl ▁L . ▁Be cker , ▁( 1 8 7 3 – 1 9 4 5 ), ▁modern ▁Europe ▁Elizabeth ▁A . ▁R . ▁Brown , ▁( b . ▁ 1 9 3 2 ), ▁medieval ▁Geoff rey ▁Bru un ▁( 1 8 9 9 – 1 9 8 8 ), ▁European ▁civil ization ▁Louis ▁R . ▁Gott sch alk , ▁( 1 8 9 9 – 1 9 7 5 ) ▁French ▁Revolution ▁Clar ence ▁H . ▁Har ing , ▁( 1 8 8 5 – 1 9 6 0 ), ▁Latin ▁American ▁Charles ▁H . ▁H ask ins , ▁( 1 8 7 0 – 1 9 3 7 ), ▁medieval ▁Alfred ▁Th ayer ▁Mah an , ▁( 1 8 4 0 – 1 9 1 4 ), ▁naval ▁Lawrence ▁Henry ▁Gi pson , ▁( 1 8 8 2 – 1 9 7 0 ), ▁British ▁Empire ▁before ▁ 1 7 7 5 ▁William ▁L . ▁L anger , ▁( 1 8 9 6 – 1 9 7 7 ), ▁European ▁diplom atic ▁John ▁L oth rop ▁Mot ley , ▁( 1 8 1 4 – 1 8 7 7 ), ▁Netherlands ▁Lewis ▁M um ford , ▁( 1 8 9 5 – 1 9 8 8 ), ▁urban ▁William ▁H