{"id":"https://openalex.org/A5083154754","orcid":"https://orcid.org/0000-0003-1987-0076","observed_orcids":["https://orcid.org/0000-0003-1987-0076"],"display_name":"John N. Ratchford","raw_author_names":["J. N. Ratchford","J. Ratchford","J.N. Ratchford","JN Ratchford","John N Ratchford","John N. Ratchford","John Nolan Ratchford","John Ratchford","Ratchford, John N"],"full_name":"John Nolan Ratchford","works_count":68,"cited_by_count":5484,"summary_stats":{"2yr_mean_citedness":5.9,"h_index":30,"i10_index":40},"ids":{"openalex":"https://openalex.org/A5083154754","orcid":"https://orcid.org/0000-0003-1987-0076","observed_orcids":["https://orcid.org/0000-0003-1987-0076"]},"affiliations":[{"institution":{"id":"https://openalex.org/I1299303238","ror":"https://ror.org/01cwqze88","display_name":"National Institutes of Health","country_code":"US","type":"government","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I1320553840","ror":"https://ror.org/03g03ge92","display_name":"Amgen (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I1320553840"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I1330342723","ror":"https://ror.org/02qp3tb03","display_name":"Mayo Clinic","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1330342723"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I145311948","ror":"https://ror.org/00za53h95","display_name":"Johns Hopkins University","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},"years":[2026,2019,2015,2014,2013,2012,2011,2010,2009,2008]},{"institution":{"id":"https://openalex.org/I161318765","ror":"https://ror.org/046rm7j60","display_name":"University of California, Los Angeles","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I177607063","ror":"https://ror.org/025j2nd68","display_name":"The Lundquist Institute","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I177607063"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I180670191","ror":"https://ror.org/043mz5j54","display_name":"University of California, San Francisco","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]},"years":[2021,2013]},{"institution":{"id":"https://openalex.org/I183934855","ror":"https://ror.org/04gndp242","display_name":"Genentech","country_code":null,"type":"company","lineage":["https://openalex.org/I118019719","https://openalex.org/I129302853","https://openalex.org/I183934855"]},"years":[2026,2025,2024]},{"institution":{"id":"https://openalex.org/I223532165","ror":"https://ror.org/03r0ha626","display_name":"University of Utah","country_code":"US","type":"education","lineage":["https://openalex.org/I223532165"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I27837315","ror":"https://ror.org/00jmfr291","display_name":"University of Michigan","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I2799853436","ror":"https://ror.org/037zgn354","display_name":"Johns Hopkins Medicine","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]},"years":[2026,2014,2013,2012,2011,2010,2009,2008]},{"institution":{"id":"https://openalex.org/I4210094550","ror":"https://ror.org/00kyj9h67","display_name":"Horizon Therapeutics (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I4210094550"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210100596","ror":"https://ror.org/01502ca60","display_name":"Hospices Civils de Lyon","country_code":"FR","type":"healthcare","lineage":["https://openalex.org/I4210100596"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210105768","ror":"https://ror.org/01q046q46","display_name":"H\u00f4pital Pierre Wertheimer","country_code":"FR","type":"healthcare","lineage":["https://openalex.org/I4210100596","https://openalex.org/I4210105768"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210108839","ror":"https://ror.org/01n95cx06","display_name":"Chugai Pharma (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I4210108839"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4210110767","ror":"https://ror.org/01s5ya894","display_name":"National Institute of Neurological Disorders and Stroke","country_code":"US","type":"facility","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I4210110767"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I4210111202","ror":"https://ror.org/021n09h20","display_name":"Guthy-Jackson Charitable Foundation","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210111202"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4210114445","ror":"https://ror.org/01zcpa714","display_name":"Michigan Medicine","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4210120052","ror":"https://ror.org/02tsanh21","display_name":"National Cancer Center","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I1290491151","https://openalex.org/I2801339556","https://openalex.org/I4210120052"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210125099","ror":"https://ror.org/03jp40720","display_name":"Mayo Clinic in Arizona","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1330342723","https://openalex.org/I4210125099"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210134151","ror":"https://ror.org/04cqn7d42","display_name":"University of Colorado Cancer Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210134151"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210137306","ror":"https://ror.org/03mtd9a03","display_name":"Stanford Medicine","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210137306","https://openalex.org/I97018004"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4210150714","ror":"https://ror.org/05cb1k848","display_name":"Johns Hopkins Hospital","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436","https://openalex.org/I4210150714"]},"years":[2013,2012,2009]},{"institution":{"id":"https://openalex.org/I4210165985","ror":"https://ror.org/05h4zj272","display_name":"Harbor\u2013UCLA Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1328359107","https://openalex.org/I4210165985"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4405254473","ror":"https://ror.org/01v743b94","display_name":"Chugai Pharmaceutical Co., Ltd. (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405254473"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4405261544","ror":"https://ror.org/05fgmqm64","display_name":"National Cancer Center Hospital","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I1290491151","https://openalex.org/I2801339556","https://openalex.org/I4210120052","https://openalex.org/I4405261544"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I51713134","ror":"https://ror.org/03wmf1y16","display_name":"University of Colorado Anschutz","country_code":"US","type":"education","lineage":["https://openalex.org/I51713134"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I57206974","ror":"https://ror.org/0190ak572","display_name":"New York University","country_code":"US","type":"education","lineage":["https://openalex.org/I57206974"]},"years":[2013]},{"institution":{"id":"https://openalex.org/I79576946","ror":"https://ror.org/00b30xv10","display_name":"University of Pennsylvania","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]},"years":[2013,2012,2010,2009]},{"institution":{"id":"https://openalex.org/I83809506","ror":"https://ror.org/01s7b5y08","display_name":"University of South Alabama","country_code":"US","type":"education","lineage":["https://openalex.org/I83809506"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I867280407","ror":"https://ror.org/05byvp690","display_name":"The University of Texas Southwestern Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I867280407"]},"years":[2013,2012,2009]},{"institution":{"id":"https://openalex.org/I97018004","ror":"https://ror.org/00f54p054","display_name":"Stanford University","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]},"years":[2019]}],"last_known_institutions":[{"id":"https://openalex.org/I145311948","ror":"https://ror.org/00za53h95","display_name":"Johns Hopkins University","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I183934855","ror":"https://ror.org/04gndp242","display_name":"Genentech","country_code":null,"type":"company","lineage":["https://openalex.org/I118019719","https://openalex.org/I129302853","https://openalex.org/I183934855"]},{"id":"https://openalex.org/I2799853436","ror":"https://ror.org/037zgn354","display_name":"Johns Hopkins Medicine","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]}],"topics":[{"id":"https://openalex.org/T10137","display_name":"Multiple Sclerosis Research Studies","count":59,"subfield":{"id":"https://openalex.org/subfields/2734","display_name":"Pathology and Forensic Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10250","display_name":"Glaucoma and retinal disorders","count":22,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11735","display_name":"Peripheral Neuropathies and Disorders","count":15,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11827","display_name":"Polyomavirus and related diseases","count":14,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13467","display_name":"Drug-Induced Ocular Toxicity","count":14,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11827","display_name":"Polyomavirus and related diseases","value":0.0002732,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10137","display_name":"Multiple Sclerosis Research Studies","value":0.0002283,"subfield":{"id":"https://openalex.org/subfields/2734","display_name":"Pathology and Forensic Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13467","display_name":"Drug-Induced Ocular Toxicity","value":0.0001479,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10250","display_name":"Glaucoma and retinal disorders","value":7.56e-05,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11735","display_name":"Peripheral Neuropathies and Disorders","value":6.86e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9693282842636108},{"id":"2780640218","wikidata":"https://www.wikidata.org/wiki/Q8277","display_name":"Multiple sclerosis","score":0.9114707708358765},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.7610013484954834},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.670247495174408},{"id":"118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","score":0.3177652359008789}],"counts_by_year":[{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":12},{"year":2009,"works_count":5,"oa_works_count":2,"cited_by_count":559},{"year":2010,"works_count":5,"oa_works_count":2,"cited_by_count":587},{"year":2011,"works_count":4,"oa_works_count":2,"cited_by_count":1068},{"year":2012,"works_count":12,"oa_works_count":6,"cited_by_count":938},{"year":2013,"works_count":7,"oa_works_count":3,"cited_by_count":381},{"year":2014,"works_count":5,"oa_works_count":1,"cited_by_count":36},{"year":2015,"works_count":4,"oa_works_count":3,"cited_by_count":475},{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":59},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":137},{"year":2019,"works_count":3,"oa_works_count":2,"cited_by_count":945},{"year":2020,"works_count":2,"oa_works_count":0,"cited_by_count":4},{"year":2021,"works_count":8,"oa_works_count":5,"cited_by_count":224},{"year":2024,"works_count":3,"oa_works_count":0,"cited_by_count":7},{"year":2025,"works_count":2,"oa_works_count":2,"cited_by_count":49},{"year":2026,"works_count":5,"oa_works_count":1,"cited_by_count":3}],"display_name_alternatives":["J. N. Ratchford","J. Ratchford","J.N. Ratchford","JN Ratchford","John N Ratchford","John N. Ratchford","John Nolan Ratchford","John Ratchford","Ratchford, John N"],"block_key":"j ratchford","works_api_url":"https://api.openalex.org/works?filter=author.id:A5083154754","updated_date":"2026-10-20T12:29:05","created_date":"2016-06-24T00:00:00"}