um et ▁in ▁ 1 9 9 6 - 1 9 9 7 . ▁She ▁joined ▁the ▁University ▁of ▁California ▁at ▁Davis ▁in ▁ 1 9 9 6 ▁as ▁Professor ▁of ▁History . ▁ ▁Cad den ▁served ▁as ▁President ▁of ▁the ▁History ▁of ▁Science ▁Society ▁( H SS ) ▁from ▁ 2 0 0 6 - 2 0 0 7 . ▁She ▁retired ▁and ▁became ▁Professor ▁Emer it us ▁at ▁U C ▁Davis ▁in ▁ 2 0 0 8 . ▁ ▁Her ▁work ▁has ▁been ▁character ized ▁as ▁expl oring ▁the ▁" se ams ▁of ▁discipl ines " — the ▁connections ▁between ▁history ▁of ▁science , ▁gender ▁history , ▁history ▁of ▁sexual ity , ▁social ▁history , ▁and ▁intellectual ▁history . ▁Method olog ically , ▁she ▁broke ▁new ▁ground , ▁pay ing ▁" part icular ▁attention ▁to ▁the ▁cultural ▁and ▁social ▁mil ieux ▁these ▁sources ▁were ▁produced ▁in ; ▁to ▁the ▁assumptions ▁and ▁expect ations ▁of ▁authors ▁and ▁readers ; ▁to ▁questions ▁of ▁form , ▁style , ▁and ▁presentation ." ▁ ▁Her ▁book ▁Mean ings ▁of ▁Sex ▁D ifference ▁in ▁the ▁Middle ▁Age : ▁Medicine , ▁Science , ▁and ▁Culture ▁( 1 9 9 3 ) ▁was ▁ground bre aking ▁in ▁its ▁exam ination ▁of ▁sex ▁and ▁gender , ▁and ▁has ▁deeply ▁influenced ▁subsequent ▁scholar ship . ▁ ▁Cad den ▁exam ines ▁the ▁discuss ions ▁of ▁sexual ▁difference ▁from ▁Arist ot le ▁through ▁the ▁four teenth ▁century , ▁reve aling ▁a ▁wide ▁range ▁of ▁ideas ▁about ▁sexual ▁determ ination , ▁re product ive