{"id":"https://openalex.org/A5113760609","orcid":null,"observed_orcids":[],"display_name":"Howard I. Keller","raw_author_names":["H KELLER","H Keller","H. Keller","Howard I. Keller"],"full_name":"Howard I. Keller","works_count":57,"cited_by_count":507,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":7,"i10_index":6},"ids":{"openalex":"https://openalex.org/A5113760609","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I114090438","ror":"https://ror.org/04cvxnb49","display_name":"Goethe University Frankfurt","country_code":"DE","type":"education","lineage":["https://openalex.org/I114090438"]},"years":[2014]},{"institution":{"id":"https://openalex.org/I1330654748","ror":"https://ror.org/01sfyq865","display_name":"Madigan Army Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1330347796","https://openalex.org/I1330654748","https://openalex.org/I2800250139","https://openalex.org/I2800386880"]},"years":[1965]},{"institution":{"id":"https://openalex.org/I161103922","ror":"https://ror.org/01rdrb571","display_name":"Philipps University of Marburg","country_code":"DE","type":"education","lineage":["https://openalex.org/I161103922"]},"years":[2010,2008,2007]},{"institution":{"id":"https://openalex.org/I200763008","ror":"https://ror.org/033eqas34","display_name":"Justus-Liebig-Universit\u00e4t Gie\u00dfen","country_code":"DE","type":"education","lineage":["https://openalex.org/I200763008"]},"years":[1999,1998,1995]},{"institution":{"id":"https://openalex.org/I27945538","ror":"https://ror.org/03z3mg085","display_name":"Paracelsus Medical University","country_code":"AT","type":"education","lineage":["https://openalex.org/I27945538"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I2799584038","ror":"https://ror.org/05p4q8207","display_name":"Tripler Army Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1330347796","https://openalex.org/I2799584038","https://openalex.org/I2800250139","https://openalex.org/I2800386880"]},"years":[1970]},{"institution":{"id":"https://openalex.org/I2799884508","ror":"https://ror.org/00gpmb873","display_name":"Kantonsspital St. Gallen","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I2799884508"]},"years":[2009,1987]},{"institution":{"id":"https://openalex.org/I2801240073","ror":"https://ror.org/03vzbgh69","display_name":"University Medical Center Freiburg","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I2801240073"]},"years":[1987]},{"institution":{"id":"https://openalex.org/I2801317318","ror":"https://ror.org/057q4rt57","display_name":"Hospital for Sick Children","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I2801317318"]},"years":[1996]},{"institution":{"id":"https://openalex.org/I34809795","ror":"https://ror.org/00f2yqf98","display_name":"Medizinische Hochschule Hannover","country_code":"DE","type":"education","lineage":["https://openalex.org/I34809795"]},"years":[1972]},{"institution":{"id":"https://openalex.org/I4210088053","ror":"https://ror.org/0030f2a11","display_name":"Universit\u00e4tsklinikum Erlangen","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210088053"]},"years":[1950]},{"institution":{"id":"https://openalex.org/I4210098738","ror":"https://ror.org/014c2qb55","display_name":"Klinik Hirslanden","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I4210098738","https://openalex.org/I4210110334"]},"years":[2018]},{"institution":{"id":"https://openalex.org/I4210100468","ror":"https://ror.org/01462r250","display_name":"University Hospital Zurich","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I4210100468"]},"years":[1972]},{"institution":{"id":"https://openalex.org/I4210107308","ror":"https://ror.org/01p1t0k52","display_name":"Novo Nordisk (Switzerland)","country_code":"CH","type":"company","lineage":["https://openalex.org/I189090001","https://openalex.org/I2801134892","https://openalex.org/I4210107308","https://openalex.org/I4210159963"]},"years":[2005]},{"institution":{"id":"https://openalex.org/I4210111069","ror":"https://ror.org/019myg640","display_name":"Krankenanstalt Rudolfstiftung der Stadt Wien","country_code":"AT","type":"healthcare","lineage":["https://openalex.org/I4210111069","https://openalex.org/I4210117134"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I75951250","ror":"https://ror.org/046ak2485","display_name":"Freie Universit\u00e4t Berlin","country_code":"DE","type":"education","lineage":["https://openalex.org/I75951250"]},"years":[1995,1972]},{"institution":{"id":"https://openalex.org/I92664306","ror":"https://ror.org/0145znz58","display_name":"Walter Reed Army Institute of Research","country_code":"US","type":"government","lineage":["https://openalex.org/I106965489","https://openalex.org/I1304082316","https://openalex.org/I1330347796","https://openalex.org/I2802581893","https://openalex.org/I92664306"]},"years":[1971]},{"institution":{"id":"https://openalex.org/I97565354","ror":"https://ror.org/019whta54","display_name":"University of Lausanne","country_code":"CH","type":"education","lineage":["https://openalex.org/I97565354"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I98251732","ror":"https://ror.org/02fa3aq29","display_name":"McMaster University","country_code":"CA","type":"education","lineage":["https://openalex.org/I98251732"]},"years":[1997,1996]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11700","display_name":"Hemodynamic Monitoring and Therapy","count":6,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10217","display_name":"Cardiac electrophysiology and arrhythmias","count":5,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T10821","display_name":"Cardiovascular Function and Risk Factors","count":5,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T10844","display_name":"Radiation Dose and Imaging","count":4,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T10924","display_name":"Cardiovascular Health and Disease Prevention","count":4,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"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/T13097","display_name":"Male Breast Health Studies","value":4.85e-05,"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/T12269","display_name":"Effects of Vibration on Health","value":2.97e-05,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports 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/T12419","display_name":"Phonocardiography and Auscultation Techniques","value":2.33e-05,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/T12249","display_name":"Veterinary Orthopedics and Neurology","value":2.32e-05,"subfield":{"id":"https://openalex.org/subfields/3404","display_name":"Small Animals"},"field":{"id":"https://openalex.org/fields/34","display_name":"Veterinary"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11700","display_name":"Hemodynamic Monitoring and Therapy","value":2.03e-05,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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":0.9854923486709595},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.8405212163925171},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.8059377074241638},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5842264294624329},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.533461332321167}],"counts_by_year":[{"year":1950,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1954,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1957,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1962,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1963,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1964,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1965,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1968,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1969,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1970,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1971,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1972,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":32},{"year":2014,"works_count":2,"oa_works_count":0,"cited_by_count":26},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2017,"works_count":2,"oa_works_count":1,"cited_by_count":18},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":12},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":27},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":27},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":8}],"display_name_alternatives":["H KELLER","H Keller","H. Keller","Howard I. Keller"],"block_key":"h keller","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113760609","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5113760609","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}