: ▁▁ ▁The ▁Use ▁of ▁the ▁L ary ng os cope ▁in ▁D ise ases ▁of ▁the ▁Th ro at ▁( 1 8 6 5 ). ▁ ▁G row th s ▁in ▁the ▁L ary nx ▁( 1 8 7 1 ). ▁ ▁D ise ases ▁of ▁the ▁N ose ▁and ▁Th ro at ▁( 1 8 8 0 ▁and ▁ 1 8 8 4 ). ▁ ▁In ▁ 1 8 8 7 ▁Mack en zie ▁was ▁one ▁of ▁the ▁found ers ▁of ▁the ▁Journal ▁of ▁L ary ng ology ▁and ▁Rh in ology ▁and ▁of ▁the ▁British ▁Rh ino - L ary ng ological ▁Association . ▁ ▁So ▁great ▁was ▁his ▁reputation ▁that ▁in ▁May ▁ 1 8 8 7 , ▁when ▁the ▁crown ▁prince ▁of ▁Germany ▁( after wards ▁the ▁Emperor ▁Frederick ▁III ) ▁was ▁attacked ▁by ▁the ▁affection ▁of ▁the ▁thro at ▁of ▁which ▁he ▁ultimately ▁died , ▁Mor ell ▁Mack en zie ▁was ▁spe cially ▁sum mon ed ▁to ▁attend ▁him . ▁The ▁German ▁phys icians ▁who ▁had ▁attended ▁the ▁prince ▁since ▁the ▁beginning ▁of ▁March ▁( Kar l ▁Ger hardt , ▁and ▁subsequently ▁Ad al bert ▁Tob old , ▁Ernst ▁von ▁Berg mann , ▁and ▁others ), ▁had ▁diagn osed ▁his ▁a il ment ▁on ▁ 1 8 ▁May ▁as ▁cancer ▁of ▁the ▁thro at ; ▁but ▁Mor ell ▁Mack en zie ▁ins isted ▁( b asing ▁his ▁opinion ▁on ▁a ▁micro scop ical ▁exam ination ▁by ▁a ▁great ▁path ologist , ▁Rudolf ▁Vir ch ow , ▁of