ra ▁Joy ce ▁( 1 9 2 4 - 1 9 5 6 ) ▁was ▁a ▁poet . ▁Gl ue ck ▁worked ▁at ▁the ▁Harvard ▁Law ▁School ▁as ▁a ▁research ▁assistant ▁from ▁ 1 9 2 8 ▁until ▁ 1 9 5 3 , ▁while ▁her ▁husband ▁was ▁a ▁professor ▁there . ▁ ▁Ele an or ▁and ▁Sh eld on ▁Gl ue ck ▁emb ark ed ▁upon ▁an ▁intern ation ally ▁recognized ▁partners hip ▁in ▁cr imin ology ▁that ▁would ▁last ▁the ▁remainder ▁of ▁their ▁lives . ▁They ▁would ▁collabor ate ▁on ▁more ▁than ▁ 2 5 0 ▁publications , ▁beginning ▁with ▁Five ▁H undred ▁C riminal ▁Care ers ▁( 1 9 3 0 ), ▁followed ▁by ▁Five ▁H undred ▁Del in quent ▁Women ▁( 1 9 3 4 ) ▁and ▁One ▁Th ous and ▁Ju ven ile ▁Del in qu ents ▁( 1 9 3 4 ). ▁For ▁the ▁ju ven ile ▁del in qu ents , ▁they ▁made ▁attempts ▁to ▁predict ▁criminal ity ▁using ▁statistics , ▁followed ▁by ▁the ▁lik elihood ▁of ▁their ▁re h abil itation ▁upon ▁release . ▁They ▁were ▁the ▁first ▁cr imin olog ists ▁to ▁perform ▁studies ▁of ▁chron ic ▁ju ven ile ▁off enders ▁and ▁among ▁the ▁first ▁to ▁examine ▁the ▁effects ▁of ▁psych op ath y ▁among ▁the ▁more ▁serious ▁del in qu ents . ▁Their ▁studies ▁showed ▁that ▁psych op ath y ▁was ▁ 2 0 ▁times ▁more ▁common ▁among ▁ju ven ile ▁del in qu ents . ▁ ▁In ▁ 1 9 4