▁to ▁benefit ▁from ▁ins ul in ▁in ▁the ▁UK . ▁ ▁Sir ▁Norman ▁Walker ▁died ▁at ▁home ▁in ▁Gre ens y ke , ▁Bal erno , ▁Mid l oth ian , ▁on ▁ 7 ▁November ▁ 1 9 4 2 . ▁He ▁was ▁surv ived ▁by ▁his ▁wife ▁and ▁children . ▁ ▁References ▁▁ ▁Category : 1 8 6 2 ▁birth s ▁Category : 1 9 4 2 ▁death s ▁Category : Pe ople ▁from ▁Kirk cal dy ▁Category : Pe ople ▁educated ▁at ▁Edinburgh ▁Academy ▁Category : A cadem ics ▁of ▁the ▁University ▁of ▁Edinburgh ▁Category : Univers ity ▁of ▁Edinburgh ▁Medical ▁School ▁al umn i ▁Category : 1 9 th - century ▁Scottish ▁medical ▁do ctors ▁Category : 2 0 th - century ▁Scottish ▁medical ▁do ctors ▁Category : Sc ott ish ▁der mat olog ists ▁Category : K n ights ▁Bach elor ▁Category : Pres idents ▁of ▁the ▁British ▁Association ▁of ▁D erm at olog ists <0x0A> </s> ▁Ag ath ym us ▁is ▁a ▁genus ▁of ▁but ter f lies ▁in ▁the ▁ski pper ▁family , ▁H esper i idae . ▁They ▁occur ▁in ▁the ▁North ▁American ▁desert s . ▁The ▁genus ▁was ▁described ▁by ▁Hugh ▁A very ▁Fre eman ▁in ▁ 1 9 5 9 . ▁The ▁lar va e ▁bore ▁into ▁the ▁st ems ▁of ▁ag ave ▁plants . ▁ ▁These ▁but ter f lies ▁have ▁been ▁treated ▁as ▁members ▁of ▁the ▁disput ed ▁ski pper ▁sub family ▁Meg ath ym inae , ▁but ▁are ▁also ▁considered ▁sufficiently