JohnSnow(1813-1858)JohnSnowwasborninYorkonMarch15th,1813,theoldestofninechildren.YorkLondonHisfatherworkedasalaborer.Whilepoor,hisparentsweredeterminedtogivetheirchildrenwhatevereducationalopportunitiestheycouldafford.Hewaseducatedataprivateschoolinhisnativecityuntiltheageoffourteen,whenhewasapprenticed(当学徒)toWilliamHardcastle,asurgeon(外科医生)livingatNewcastle-on-Tyne.Afterservingforashorttimeasasurgeonandunqualifiedassistantduringthecholeraepidemicof1831-1982,hebecameinOctober1836astudentattheHunterianSchoolofmedicineinGreatWindmillStreet,London.HebegantoattendthemedicalpracticeattheWestminsterHospitalinthefollowingOctober.183637383940184541424344HegraduatedM.D.oftheUniversityofLondonon20Dec.1844,andin1850hewasadmittedalicentiateoftheRoyalCollegeofPhysicians.Hedesignedachloroforminhaler(氯仿吸入器),describedinhisbook,OnChloroformandotherAnesthetics,publishedin1858.Dr.Snowwasalsoaprominentanesthesiologist(麻醉师)Whatelsewashefamousfor?