︵︶ぬ ︻ SpecialLecturel EdwardJenner'sActivityinScience MalcolmF・Beeson DrEdwardJenner(1749-1823)rightlycelebratedastheFatheroflmmunology,becauseofhispioneer- ingstudiesintothepreventionofsmallpoxusingvaccinationwithacowpoxvaccine.However,this monumentalsuccesshasovershadowedmanyotherachievements,notonlyinmedicinebutalsoinbotany, Asanexpertsurgeon,physicianandanatomistwhohadstudiedunderthegreatJohnHunter,Jenner wasalwavskeentounderstandtheanatomicalbasisforsymptoms.Tothisendhedissectedthecorpses ofpatientswhohaddiedfromdiseaseswhichpuzzledhim. Suchconditionsincludedchestpain.Thisledtohimprovidingsolneofthefirstdescriptionsofthe associationbetweenAnginaPectorisandcoronaryarteryocclusion.Asaclassicexample,inl772he describedadissectionofthecoronaryarteriesinwhichhisscalpelstruckhard,grittymaterial.Afterfirst blamingthisollplasterwhichmighthavefallenfromtheceiling,hethencorrectlyassociateditwith pathologicalchangeswhichheproposedasthecauseofthepatient'sangina. Jennerrelatedhisfindingstocolleagueswhometwithhimregularlytodiscussmedicalmatters. ︵ぬ︶ biologyandphysicswhichcouldinthemselveshavemadehimfamous. H o w e v e r , t h e y w e r e n o t w i d e l y k n o w n u n t i l r e p o r t e d b y C a l e b H i l l i e r P a r r y i n a b o o k o n a n g i n a p u b l i s h e d i n l 7 9 9 . J e n n e r p r o b a b l y d i d n o t p u b l i s h h i s t h e o r y h i m s e l f b e c a u s e h e h a d r e a l i s e d t h a t h i s f r i e n d J o h n HunterwasdisplayingtheearlysymptomsofthediseaseandwouldnothavewishedtocauseHunter distress.HisdiagnosiswastobeconfirmedafterHunter'sdeathinl793. B y s i m i l a r i n v e s t i g a t i o n J e n n e r l i n k e d r h e u m a t i c h e a r t d i s e a s e w i t h m i t r a l s t e n o s i s o b s e r v e d a t p o s t morteminl789. M u c h o f E d w a r d J e n n e r ' s s u c c e s s a s a m e d i c a l r e s e a r c h e r s t e m m e d f r o m h i s c h i l d h o o d p a s s i o n f o r Inl783hewasinspiredbytheMontgolfierbrotherswhohadflownahot-airballooninFrancethe p r e c e d i n g y e a r . H e f a b r i c a t e d a n d l a u n c h e d f r o m B e r k e l e y C a s t l e a h y d r o g e n f i l l e d b a l l o o o n w h i c h t r a v e l l c d a d i s t a n c e o f t e n m i l e s . J e ' m e r w a s p r o b a b l y t h e f i r s t p e r s o n i n B r i t a i n t o l a u n c h a b a l l o o n . T h e ︵つ︶ o b s e r v i n g a n d t r y i n g t o u n d e r s t a n d h i s e n v i r o n m e n t ・ H e c o l l e c t e d f o s s i l s a n d s t u d i e d t h e w i l d l i f e a r o u n d him.HewastouncoverthefirstBritishexampleofaplesiosaurusfossil,nearhishome. h y d r o g e n w i t h w h i c h h i s b a l l o o n w a s f i l l e d w o u l d h a v e b e e n g e n e r a t e d c h e m i c a l l y , r e v e a l i n g J e n n e r ' s i n t e r e s t i n t h a t s u b j e c t . H e u s e d t h i s k n o w l e d g e t o r e c r y s t a l l i z e a n d p u r i f y t a r t a r e m e t i c , t h e r e b y r e d u c i n g itssideeffectsandimprovingitsefficacy. Jenner'sknowledgeofanatomy,includingthatofplants,greatlyimpressedJohnHunter.When C a p t a i n C o o k a n d t h e b o t a n i s t J o s e p h B a n k s r e t u m e d t o E n g l a n d a f t e r t h e i r f i r s t v o y a g e o f d i s c o v e r y [”﹁ aroundthePacificOceaninl771theybroughtwiththemmanyspeciesofplantshithertounknownto s c i e n c e . A t H u n t e r ' s s u g g e s t i o n E d w a r d J e n n e r w a s a s k e d t o h e l p w i t h t h e d e s c r i p t i o n a n d c l a s s i f i c a t i o n ︻ぬ﹃ ofthespecimens. E d w a r d J e n n e r ' s a s s o c i a t i o n w i t h B a n k s c o n t i n u e d f o r m a n y y e a r s . I n l 7 8 7 h e r e p o r t e d t o B a n k s t h e r e s u l t s o f e x p e r i m e n t s o n t h e n u t r i t i o n a l v a l u e o f b l o o d a s a p l a n t f e r t i l i s e r ・ A s t u t e l y , h e n o t e d d i f f e r e n c e s betweentheeffectsofwholebloodandserum.Yearslater(1809)JennerwastoarguewithSirHumphry DavvthatearthwormswerebeneficialtoMan.Hehadobservedthattheyaidedthedecompositionof organicdebrisandimprovedsoilcondition. H e s h o w e d g r e a t i n t e r e s t i n b o d y t e m p e r a t u r e a n d i t s r e l a t i o n t o h i b e r n a t i o n i n a n i m a l s s u c h a s h e d g e h o g s ・ T h i s i n t i m e l e d t o a n i n t e r e s t i n t h e e f f e c t s o f h y p o t h e r m i a a n d f r o s t b i t e i n M a n , a n d a InJenner'sdayitwascommonlybelievedthatbirdwhichappearedinBritainonlyinthesummer m o n t h s s p e n t t h e w i n t e r i n h i b e r n a t i o n . J e n n e r d i s s e c t e d b i r d s t o c o m p a r e t h e c o n t e n t s o f t h e i r s t o m a c h s a n d t h e s t a t e o f t h e i r r e p r o d u c t i v e o r g a n s a t d i f f e r e n t t i m e s o f t h e y e a r . I n l 7 8 7 h i s o b s e r v a t i o n s l e d h i m t o p r o p o s e t h e c o n c e p t o f m i g r a t i o n , a l t h o u g h h i s i d e a s r e m a i n e d u n p u b l i s h e d u n t i l l 8 2 4 , t h e y e a r a f t e r h i s death. EdwardJennerhad,asaboy,becomeawareoftheunusualnestinghabitsofthecuckoo,theonly B r i t i s h b i r d w h i c h p a r a s i t i s e s t h e n e s t s o f o t h e r b i r d s r a t h e r t h a n b u i l d i n g a n e s t o f i t s o w n . T h r o u g h o b s e r v a t i o n a n d e x p e r i m e n t h e c o n t e s t e d t h e u n i v e r s a l l y h e l d v i e w t h a t t h e m o t h e r c u c k o o e j e c t e d a n y e g g s a n d f l e d g l i n g s a l r e a d y p r e s e n t i n t h e n e s t a t t h e t i m e i t l a i d i t s o w n e g g s . H i s p a p e r t o T h e R o y a l S o c i e t y w a s r e a d i n M a r c h l 7 8 8 ・ I n i t h e p r e s e n t e d c o n v i n c i n g e v i d e n c e t h a t i t w a s , i n f a c t , t h e f l e d g l i n g ︵つ[︶ rationalizationoftheirtreatment. cuckoowhichexpelledtheothercontentsofthenest,ratherthantheparentcuckoo.Asaresultofthis paperEdwardJennerwasmadeaFellowoftheRoyalSocietyinl789.However,itwasnotuntill921 thatcinephotographywasusedtoconfirmhisobservationsindisputably. (TheJelmerMuseum,Berkeley,U.K.) ヘ ヨ ー 的、[
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