{"id":"https://openalex.org/A5070146982","orcid":null,"observed_orcids":[],"display_name":"John H. Wrenn","raw_author_names":["J. H. Wrenn","Jogn H. Wrenn","John H Wrenn (15952808)","John H. Wrenn","WRENN J. H.","Wrenn J. H.","Wrenn, J.","Wrenn, John","Wrenn, John Harry"],"full_name":"John H. Wrenn","works_count":46,"cited_by_count":742,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":16,"i10_index":20},"ids":{"openalex":"https://openalex.org/A5070146982","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I11886867","ror":"https://ror.org/03vaqfv64","display_name":"GNS Science","country_code":"NZ","type":"facility","lineage":["https://openalex.org/I11886867","https://openalex.org/I4405259964"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I121820613","ror":"https://ror.org/05ect4e57","display_name":"Louisiana State University","country_code":"US","type":"education","lineage":["https://openalex.org/I121820613"]},"years":[2009,2006,2003,1997,1996,1994,1982,1981]}],"last_known_institutions":[{"id":"https://openalex.org/I11886867","ror":"https://ror.org/03vaqfv64","display_name":"GNS Science","country_code":"NZ","type":"facility","lineage":["https://openalex.org/I11886867","https://openalex.org/I4405259964"]}],"topics":[{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","count":33,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10017","display_name":"Geology and Paleoclimatology Research","count":31,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11879","display_name":"Protist diversity and phylogeny","count":12,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10965","display_name":"Geological formations and processes","count":10,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11354","display_name":"Evolution and Paleontology Studies","count":10,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11879","display_name":"Protist diversity and phylogeny","value":5.65e-05,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12180","display_name":"Polar Research and Ecology","value":5.12e-05,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","value":4.53e-05,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10017","display_name":"Geology and Paleoclimatology Research","value":3.83e-05,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11985","display_name":"Marine Toxins and Detection Methods","value":2.49e-05,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.9570004343986511},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.9259999990463257},{"id":"151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","score":0.8129000067710876},{"id":"111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","score":0.7775787115097046},{"id":"18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","score":0.41007739305496216}],"counts_by_year":[{"year":1981,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1988,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":13,"oa_works_count":5,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":47},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":22},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":18},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":47},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"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":34},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":6}],"display_name_alternatives":["J. H. Wrenn","Jogn H. Wrenn","John H Wrenn (15952808)","John H. Wrenn","WRENN J. H.","Wrenn J. H.","Wrenn, J.","Wrenn, John","Wrenn, John Harry"],"block_key":"j wrenn","works_api_url":"https://api.openalex.org/works?filter=author.id:A5070146982","updated_date":"2026-10-27T12:30:23","created_date":"2016-06-24T00:00:00"}