▁R or sch ach ▁died ▁of ▁per it on itis , ▁probably ▁resulting ▁from ▁a ▁ru pt ured ▁append ix . ▁He ▁was ▁still ▁associate ▁director ▁of ▁the ▁Her is au ▁Hospital ▁when ▁he ▁died , ▁aged ▁ 3 7 , ▁on ▁ 1 ▁April ▁ 1 9 2 2 . ▁ ▁Leg acy ▁In ▁ 2 0 0 1 , ▁the ▁in k bl ot ▁test ▁was ▁critic ised ▁as ▁pseud os cience ▁and ▁its ▁use ▁was ▁declared ▁controvers ial . ▁In ▁ 2 0 1 3 ▁and ▁ 2 0 1 5 ▁two ▁system ic ▁reviews ▁and ▁meta - anal ys es ▁were ▁published ▁that ▁resulted ▁in ▁the ▁criticism ▁as ▁pseud os cience ▁being ▁lifted . ▁In ▁November ▁ 2 0 1 3 , ▁Google ▁celebrated ▁the ▁ 1 2 9 th ▁anni versary ▁of ▁R or sch ach ' s ▁birth ▁with ▁a ▁Google ▁Do od le ▁showing ▁an ▁interpretation ▁of ▁his ▁in k bl ot ▁test . ▁As ide ▁from ▁the ▁MM PI , ▁the ▁R or sch ach ▁In k bl ot ▁Method ▁has ▁generated ▁more ▁published ▁research ▁than ▁any ▁other ▁psych ological ▁person ality ▁measure . ▁ ▁The ▁cover ▁of ▁The ▁Ess entials ▁of ▁Ps y cho - analysis ▁by ▁Sig mund ▁Fre ud , ▁published ▁in ▁the ▁" V int age ▁Fre ud " ▁series ▁by ▁V int age ▁Books ▁in ▁ 2 0 0 5 , ▁features ▁art work ▁by ▁Michael ▁Sal u ▁based ▁on ▁a ▁R or sch ach ▁In k bl ot .