3 . ▁He ▁retired ▁in ▁ 1 9 2 4 . ▁▁▁▁ ▁West er ga ard ' s ▁late ▁work ▁Cont ribution s ▁to ▁the ▁History ▁of ▁Statistics ▁( 1 9 3 2 ) ▁described ▁the ▁history ▁of ▁vital ▁and ▁economic ▁statistics ▁up ▁to ▁the ▁end ▁of ▁the ▁nin ete enth ▁century . ▁Statist ical ▁theory , ▁whether ▁of ▁the ▁Lap lace ▁or ▁Pear son ▁variety , ▁is ▁discussed ▁but ▁given ▁a ▁sub ordinate ▁place . ▁In ▁the ▁Introduction , ▁West er ga ard ▁remarks , ▁" For ▁a ▁long ▁while ▁... ▁the ▁calculus ▁of ▁prob abilities ▁had ▁less ▁influence ▁on ▁statistics ▁than ▁might ▁have ▁been ▁expected , ▁the ▁authors ▁conf ining ▁themselves ▁to ▁abstract ▁theories ▁which ▁had ▁little ▁or ▁nothing ▁to ▁do ▁with ▁reality ." ▁ ▁West er ga ard ▁was ▁well - known ▁and ▁respect ed ▁intern ation ally . ▁The ▁ob itu ary ▁in ▁the ▁Journal ▁of ▁the ▁Royal ▁Statist ical ▁Society ▁of ▁London , ▁begins , ▁" By ▁[ his ] ▁death ▁Europe ▁has ▁lost ▁her ▁senior ▁stat istic ian " ▁and ▁ends , ▁" This ▁is ▁not ▁the ▁place ▁to ▁write ▁at ▁length ▁about ▁his ▁personal ▁charm , ▁marked ▁by ▁simplicity , ▁helpful ness ▁and ▁friend lin ess ; ▁but ▁it ▁was ▁this ▁as ▁much ▁as ▁his ▁intellectual ▁em in ence ▁that ▁gave ▁him ▁a ▁unique ▁place ▁in ▁the ▁society ▁of ▁econom ists ▁and ▁statist icians ." ▁ ▁Books ▁by ▁Har ald ▁West er ga ard ▁▁▁ ▁Die ▁Le hre ▁von ▁der ▁Mort al ität ▁und ▁Mor bil