{"id":"https://openalex.org/A5118899749","orcid":"https://orcid.org/0000-0002-6196-129X","observed_orcids":["https://orcid.org/0000-0002-6196-129X"],"display_name":"Leif Hansen Nielsen","raw_author_names":["Leif Hansen Nielsen","Nielsen, Leif Hansen"],"full_name":"Nielsen, Leif Hansen","works_count":26,"cited_by_count":0,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":0,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5118899749","orcid":"https://orcid.org/0000-0002-6196-129X","observed_orcids":["https://orcid.org/0000-0002-6196-129X"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210149689","ror":"https://ror.org/04qdzjg14","display_name":"Danish Ministry of Culture","country_code":"DK","type":"government","lineage":["https://openalex.org/I4210149689"]},"years":[2022,2021,2020,2019,2016]},{"institution":{"id":"https://openalex.org/I4210154857","ror":"https://ror.org/050j2px32","display_name":"National Archives of Sweden","country_code":"SE","type":"other","lineage":["https://openalex.org/I4210154857"]},"years":[2022,2021,2020,2019,2016]}],"last_known_institutions":[{"id":"https://openalex.org/I4210149689","ror":"https://ror.org/04qdzjg14","display_name":"Danish Ministry of Culture","country_code":"DK","type":"government","lineage":["https://openalex.org/I4210149689"]},{"id":"https://openalex.org/I4210154857","ror":"https://ror.org/050j2px32","display_name":"National Archives of Sweden","country_code":"SE","type":"other","lineage":["https://openalex.org/I4210154857"]}],"topics":[{"id":"https://openalex.org/T10605","display_name":"Historical Economic and Social Studies","count":5,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12686","display_name":"Central European national history","count":5,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13593","display_name":"Viking Age and Medieval Scandinavia","count":5,"subfield":{"id":"https://openalex.org/subfields/1202","display_name":"History"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12454","display_name":"European Political History Analysis","count":4,"subfield":{"id":"https://openalex.org/subfields/1202","display_name":"History"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12645","display_name":"European history and politics","count":4,"subfield":{"id":"https://openalex.org/subfields/3320","display_name":"Political Science and International Relations"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13507","display_name":"Literature, Politics, and Exile Studies","value":4.57e-05,"subfield":{"id":"https://openalex.org/subfields/1208","display_name":"Literature and Literary Theory"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13593","display_name":"Viking Age and Medieval Scandinavia","value":3.04e-05,"subfield":{"id":"https://openalex.org/subfields/1202","display_name":"History"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13484","display_name":"German History and Society","value":2.19e-05,"subfield":{"id":"https://openalex.org/subfields/1202","display_name":"History"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12645","display_name":"European history and politics","value":2.05e-05,"subfield":{"id":"https://openalex.org/subfields/3320","display_name":"Political Science and International Relations"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13622","display_name":"Historical and Environmental Studies","value":1.96e-05,"subfield":{"id":"https://openalex.org/subfields/1202","display_name":"History"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","score":0.704054594039917},{"id":"17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","score":0.66180419921875},{"id":"142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","score":0.4923590421676636},{"id":"138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","score":0.37478357553482056},{"id":"18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","score":0.23399999737739563}],"counts_by_year":[{"year":2002,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2016,"works_count":7,"oa_works_count":5,"cited_by_count":0},{"year":2019,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2021,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2022,"works_count":3,"oa_works_count":2,"cited_by_count":0}],"display_name_alternatives":["Leif Hansen Nielsen","Nielsen, Leif Hansen"],"block_key":"l nielsen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5118899749","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5118899749","updated_date":"2026-11-10T14:30:39","created_date":"2016-07-22T00:00:00"}