dy ) ▁the ▁son ▁of ▁the ▁local ▁minister , ▁Rev ▁Walker . ▁ ▁Norman ▁Walker ▁was ▁educated ▁at ▁Edinburgh ▁Academy , ▁and ▁graduated ▁from ▁the ▁University ▁of ▁Edinburgh ▁with ▁an ▁MB ▁C M ▁in ▁ 1 8 8 4 , ▁and ▁an ▁MD ▁in ▁ 1 8 8 8 . ▁In ▁ 1 8 8 8 , ▁he ▁produced ▁a ▁th esis ▁entitled ▁‘ P leur isy : ▁with ▁clin ical ▁notes ▁and ▁remarks ’ . ▁ ▁In ▁ 1 8 8 3 , ▁Walker ▁started ▁in ▁his ▁first ▁post , ▁as ▁resident ▁phys ician ▁to ▁Claude ▁Mu ir head ▁at ▁the ▁Royal ▁Inf irm ary ▁of ▁Edinburgh , ▁and ▁for ▁the ▁next ▁five ▁years ▁he ▁was ▁in ▁general ▁practice ▁in ▁Dal ston , ▁C umber land . ▁ ▁Having ▁decided ▁to ▁study ▁der mat ology , ▁he ▁went ▁to ▁Europe ▁to ▁special ise ▁and ▁learn ▁from ▁pione ers ▁of ▁the ▁field . ▁His ▁first ▁stop ▁was ▁in ▁Vienna , ▁where ▁Hans ▁von ▁Heb ra ▁and ▁Mor iz ▁K ohn ▁Kap osi ▁continued ▁the ▁elder ▁Heb ra ' s ▁tradition ; ▁in ▁Prag ue ▁Walker ▁devoted ▁much ▁of ▁his ▁time ▁to ▁the ▁study ▁of ▁hist op ath ology ▁and ▁b acter i ology ▁in ▁the ▁labor atory ▁of ▁Professor ▁Philipp ▁Josef ▁Pick ; ▁and ▁in ▁Hamburg ▁he ▁became ▁a ▁student ▁of ▁Paul ▁G erson ▁Un na , ▁one ▁of ▁the ▁pione ers ▁in ▁der map ath ology . ▁ ▁Professional ▁and ▁academic ▁career ▁ ▁Norman ▁Walker ▁returned ▁to ▁Edinburgh ▁around ▁ 1 8