{"id":"https://openalex.org/A5111697243","orcid":null,"observed_orcids":[],"display_name":"Ernst Sp\u00e4th","raw_author_names":["E. Sp\u00e4th","Ernst Sp\u00c4th","Ernst Sp\u00e4th"],"full_name":"Ernst Sp\u00e4th","works_count":260,"cited_by_count":3413,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":25,"i10_index":143},"ids":{"openalex":"https://openalex.org/A5111697243","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I106542073","ror":"https://ror.org/01e7v7w47","display_name":"University of Calcutta","country_code":"IN","type":"education","lineage":["https://openalex.org/I106542073"]},"years":[1939]},{"institution":{"id":"https://openalex.org/I129774422","ror":"https://ror.org/03prydq77","display_name":"University of Vienna","country_code":"AT","type":"education","lineage":["https://openalex.org/I129774422"]},"years":[1946,1944,1943,1942,1941,1940,1939,1938,1937,1936,1935,1934,1933,1932,1931,1930,1929,1928,1927,1926,1925,1924,1923,1922,1921,1920,1914]},{"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":[1927]},{"institution":{"id":"https://openalex.org/I204743663","ror":"https://ror.org/012bxv356","display_name":"University of Mysore","country_code":"IN","type":"education","lineage":["https://openalex.org/I204743663"]},"years":[1936]},{"institution":{"id":"https://openalex.org/I22299242","ror":"https://ror.org/02kpeqv85","display_name":"Kyoto University","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]},"years":[1934]},{"institution":{"id":"https://openalex.org/I4405271881","ror":"https://ror.org/037axzr59","display_name":"Bangabasi College","country_code":"IN","type":"education","lineage":["https://openalex.org/I4405271881"]},"years":[1939]},{"institution":{"id":"https://openalex.org/I4405281587","ror":"https://ror.org/04kfbh280","display_name":"Presidency College","country_code":"IN","type":"education","lineage":["https://openalex.org/I4405281587"]},"years":[1939,1938]},{"institution":{"id":"https://openalex.org/I74801974","ror":"https://ror.org/057zh3y96","display_name":"The University of Tokyo","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]},"years":[1936]},{"institution":{"id":"https://openalex.org/I8204097","ror":"https://ror.org/05591te55","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]},"years":[1939]},{"institution":{"id":"https://openalex.org/I887064364","ror":"https://ror.org/04dkp9463","display_name":"University of Amsterdam","country_code":"NL","type":"education","lineage":["https://openalex.org/I887064364"]},"years":[1938]},{"institution":{"id":"https://openalex.org/I98285908","ror":"https://ror.org/035t8zc32","display_name":"The University of Osaka","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]},"years":[1937]}],"last_known_institutions":[{"id":"https://openalex.org/I129774422","ror":"https://ror.org/03prydq77","display_name":"University of Vienna","country_code":"AT","type":"education","lineage":["https://openalex.org/I129774422"]}],"topics":[{"id":"https://openalex.org/T13649","display_name":"Advanced Synthetic Organic Chemistry","count":98,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12649","display_name":"Alkaloids: synthesis and pharmacology","count":85,"subfield":{"id":"https://openalex.org/subfields/3004","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11973","display_name":"Plant chemical constituents analysis","count":76,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13859","display_name":"Organic Chemistry Synthesis Methods","count":52,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13023","display_name":"Synthesis of Organic Compounds","count":45,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology"},"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/T13124","display_name":"Chemical synthesis and alkaloids","value":0.0012066,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12649","display_name":"Alkaloids: synthesis and pharmacology","value":0.0009532,"subfield":{"id":"https://openalex.org/subfields/3004","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13023","display_name":"Synthesis of Organic Compounds","value":0.0006962,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology"},"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/T11973","display_name":"Plant chemical constituents analysis","value":0.0005996,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13971","display_name":"Synthesis and Biological Activity","value":0.0004549,"subfield":{"id":"https://openalex.org/subfields/1306","display_name":"Cancer Research"},"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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9809606075286865},{"id":"15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","score":0.716885507106781},{"id":"138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","score":0.5829728841781616},{"id":"161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","score":0.5133444666862488},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.4395443797111511}],"counts_by_year":[{"year":1914,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1920,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1921,"works_count":4,"oa_works_count":4,"cited_by_count":0},{"year":1922,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1923,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1924,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1925,"works_count":14,"oa_works_count":0,"cited_by_count":0},{"year":1926,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1927,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1928,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1929,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1930,"works_count":12,"oa_works_count":0,"cited_by_count":0},{"year":1931,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1932,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1933,"works_count":13,"oa_works_count":0,"cited_by_count":0},{"year":1934,"works_count":18,"oa_works_count":0,"cited_by_count":0},{"year":1935,"works_count":16,"oa_works_count":0,"cited_by_count":0},{"year":1936,"works_count":24,"oa_works_count":0,"cited_by_count":0},{"year":1937,"works_count":26,"oa_works_count":0,"cited_by_count":0},{"year":1938,"works_count":14,"oa_works_count":0,"cited_by_count":0},{"year":1939,"works_count":16,"oa_works_count":0,"cited_by_count":0},{"year":1940,"works_count":11,"oa_works_count":0,"cited_by_count":0},{"year":1941,"works_count":15,"oa_works_count":0,"cited_by_count":0},{"year":1942,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1943,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1944,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1946,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":31},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":31},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":36},{"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":20},{"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":9},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":18}],"display_name_alternatives":["E. Sp\u00e4th","Ernst Sp\u00c4th","Ernst Sp\u00e4th"],"block_key":"e spath","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111697243","updated_date":"2026-10-27T12:30:23","created_date":"2016-06-24T00:00:00"}