{"id":"https://openalex.org/A5084516232","orcid":null,"observed_orcids":[],"display_name":"Helge G. Backlund","raw_author_names":["Backlund, Helge G.","H. Backlund","H. G. Backlund","Helge Backlund","Helge G. Backlund"],"full_name":"Helge G. Backlund","works_count":43,"cited_by_count":167,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":7,"i10_index":6},"ids":{"openalex":"https://openalex.org/A5084516232","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I123387679","ror":"https://ror.org/048a87296","display_name":"Uppsala University","country_code":"SE","type":"education","lineage":["https://openalex.org/I123387679"]},"years":[1926,1925]},{"institution":{"id":"https://openalex.org/I130217899","ror":"https://ror.org/029pk6x14","display_name":"\u00c5bo Akademi University","country_code":"FI","type":"education","lineage":["https://openalex.org/I130217899"]},"years":[1919]},{"institution":{"id":"https://openalex.org/I161593684","ror":"https://ror.org/05f0yaq80","display_name":"Stockholm University","country_code":"SE","type":"education","lineage":["https://openalex.org/I161593684"]},"years":[1918]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10001","display_name":"Geological and Geochemical Analysis","count":32,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"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/T13193","display_name":"Geological Studies and Exploration","count":27,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"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/T13177","display_name":"Geological and Geophysical Studies","count":15,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"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/T10109","display_name":"Paleontology and Stratigraphy of Fossils","count":8,"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/T11740","display_name":"Geochemistry and Elemental Analysis","count":8,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"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/T13193","display_name":"Geological Studies and Exploration","value":4.96e-05,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"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/T13443","display_name":"Mineralogy and Gemology Studies","value":3.82e-05,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"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/T10001","display_name":"Geological and Geochemical Analysis","value":3.69e-05,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"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/T13811","display_name":"Earth Systems and Cosmic Evolution","value":2.76e-05,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T13177","display_name":"Geological and Geophysical Studies","value":2.31e-05,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.9199774861335754},{"id":"138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","score":0.5201926231384277},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.4152040183544159},{"id":"205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","score":0.3986128866672516},{"id":"17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","score":0.3752218782901764}],"counts_by_year":[{"year":1907,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1917,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1918,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1919,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1922,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1923,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1924,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1925,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1926,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1930,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1932,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1935,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1936,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1937,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1938,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1939,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1941,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1943,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1945,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1946,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1948,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1950,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1952,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1955,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2026,"works_count":2,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["Backlund, Helge G.","H. Backlund","H. G. Backlund","Helge Backlund","Helge G. Backlund"],"block_key":"h backlund","works_api_url":"https://api.openalex.org/works?filter=author.id:A5084516232","awards_count":0,"updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}