[{"n": "Howard Florey", "u": "/e/pioneers-of-medicine/howard-florey/", "s": "Australian pharmacologist who turned penicillin into a life-saving drug."}, {"n": "Hua Tuo", "u": "/e/pioneers-of-medicine/hua-tuo/", "s": "Pioneer of anaesthesia and surgery in ancient China"}, {"n": "Hubertus Strughold", "u": "/e/pioneers-of-medicine/hubertus-strughold/", "s": "German-American physiologist known as 'The Father of Space Medicine,' whose legacy was damaged by his involvem"}, {"n": "Ian Wilmut", "u": "/e/pioneers-of-medicine/ian-wilmut/", "s": "Leader of the team that cloned Dolly the sheep"}, {"n": "Ibn al-Nafis", "u": "/e/pioneers-of-medicine/ibn-al-nafis/", "s": "The father of circulatory physiology who first described pulmonary circulation."}, {"n": "Ignaz Semmelweis", "u": "/e/pioneers-of-medicine/ignaz-semmelweis/", "s": "Hungarian doctor who proved hand washing reduced childbed fever."}, {"n": "Jean-Martin Charcot", "u": "/e/pioneers-of-medicine/jean-martin-charcot/", "s": "French neurologist who founded modern neurology and studied hysteria."}, {"n": "Jean-Jacques Muyembe-Tamfum", "u": "/e/pioneers-of-medicine/jean-jacques-muyembe-tamfum/", "s": "Congolese microbiologist and co-discoverer of the Ebola virus"}, {"n": "Jennifer Doudna", "u": "/e/pioneers-of-medicine/jennifer-doudna/", "s": "Pioneer of CRISPR-Cas9 genome editing and 2020 Nobel laureate in Chemistry."}, {"n": "Jonas Salk", "u": "/e/pioneers-of-medicine/jonas-salk/", "s": "American virologist whose polio vaccine, announced in 1955, was given to the world unpatented."}, {"n": "Jérôme Lejeune", "u": "/e/pioneers-of-medicine/j-r-me-lejeune/", "s": "French pediatrician and geneticist who discovered the chromosomal basis of Down syndrome."}, {"n": "Lazzaro Spallanzani", "u": "/e/pioneers-of-medicine/lazzaro-spallanzani/", "s": "Italian priest and biologist who pioneered studies of digestion, reproduction, and echolocation."}, {"n": "Li Wenliang", "u": "/e/pioneers-of-medicine/li-wenliang/", "s": "Ophthalmologist who warned colleagues about early COVID-19 cases."}, {"n": "Howard Atwood Kelly", "u": "/e/pioneers-of-medicine/howard-atwood-kelly/", "s": "Pioneering gynecologist and one of the 'Big Four' founding professors at Johns Hopkins."}, {"n": "J. Marion Sims", "u": "/e/pioneers-of-medicine/j-marion-sims/", "s": "Pioneering surgeon whose methods remain ethically controversial."}, {"n": "Jīvaka", "u": "/e/pioneers-of-medicine/j-vaka/", "s": "Personal physician of the Buddha and King Bimbisāra."}, {"n": "James Lind", "u": "/e/pioneers-of-medicine/james-lind/", "s": "Scottish physician who pioneered the clinical trial for scurvy."}, {"n": "Jan Evangelista Purkyně", "u": "/e/pioneers-of-medicine/jan-evangelista-purkyn/", "s": "Czech anatomist and physiologist who discovered key cellular and sensory phenomena."}, {"n": "John Hunter (surgeon)", "u": "/e/pioneers-of-medicine/john-hunter-surgeon/", "s": "Scottish surgeon who advanced medicine through observation and anatomy."}, {"n": "Karl Landsteiner", "u": "/e/pioneers-of-medicine/karl-landsteiner/", "s": "Austrian-American immunologist who classified blood groups and discovered Rhesus factor."}, {"n": "Katalin Karikó", "u": "/e/pioneers-of-medicine/katalin-karik/", "s": "Biochemist who enabled mRNA vaccines through discoveries on nucleoside modifications."}, {"n": "Kitasato Shibasaburō", "u": "/e/pioneers-of-medicine/kitasato-shibasabur/", "s": "Japanese bacteriologist who co-discovered the plague bacillus."}, {"n": "Leland H. Hartwell", "u": "/e/pioneers-of-medicine/leland-h-hartwell/", "s": "Nobel laureate who discovered cell cycle control genes in yeast."}, {"n": "Li Shizhen", "u": "/e/pioneers-of-medicine/li-shizhen/", "s": "Ming dynasty physician and author of the Compendium of Materia Medica."}, {"n": "Linda B. Buck", "u": "/e/pioneers-of-medicine/linda-b-buck/", "s": "Nobel laureate who decoded the olfactory system"}, {"n": "John Harvey Kellogg", "u": "/e/pioneers-of-medicine/john-harvey-kellogg/", "s": "Physician, inventor, and advocate of health reform and eugenics."}, {"n": "Jan Baptist van Helmont", "u": "/e/pioneers-of-medicine/jan-baptist-van-helmont/", "s": "Chemist, physiologist, and physician from Brussels; coined 'gas'."}]