{"aliases":[],"awards":["Pro Ecclesia et Pontifice"],"biography_summary":"Martha Euphemia Lofton Haynes (September 11, 1890 \u2013 July 25, 1980) was an American mathematician and educator. She was the first African American woman to earn a PhD in mathematics, which she earned from the Catholic University of America in 1943.","birth_date":"1890-09-11","birth_place":"Washington, D.C.","birth_place_coordinates":{"latitude":38.895,"longitude":-77.036667},"birth_place_wikidata_id":"Q61","birth_place_wikidata_url":"https://www.wikidata.org/wiki/Q61","canonical_name":"Euphemia Haynes","canonical_url":"https://zh-cn.instaget.online/people/e15b579f4d39a35b7491ae6d","citizenships":["United States"],"death_date":"1980-05-25","description":"American mathematician (1890\u20131980)","external_ids":{"isni":{"id":"0000000062347297","url":"https://isni.org/isni/0000000062347297"},"viaf":{"id":"88994462","url":"https://viaf.org/viaf/88994462/"}},"full_name":"Euphemia Haynes","height_cm":null,"names":{"aliases":["Martha Euphemia Lofton Haynes","Martha Euphemia Lofton","Euphemia Lofton Haynes"],"birth":[{"language":"en","source_property":"P1477","value":"Martha Euphemia Rosalie Lofton"}],"native":[{"language":"en","source_property":"P1559","value":"Euphemia Haynes"}],"official":[]},"native_name":null,"notable_works":[],"occupations":["mathematician","educator"],"official_websites":[],"photo":{"author":"Unknown photographer","license":"Public domain","license_url":null,"source":"Wikimedia Commons","source_url":"https://commons.wikimedia.org/wiki/File:Euphemia_Lofton_Smith_College_1914.jpg","url":"https://instaget-public-commons.tor1.cdn.digitaloceanspaces.com/public/commons/b5af5555923df675061a9e91cceeec41e04b4067ebd62a6dc0c0bfeffc5d1c4a"},"profile_url":"https://zh-cn.instaget.online/people/e15b579f4d39a35b7491ae6d","provenance":{"catalog":"wikidata_wikipedia","fetched_at":"2026-08-29T06:21:23Z","social_archives_included":false,"source_url":"https://www.wikidata.org/wiki/Q5410328"},"public_hash":"e15b579f4d39a35b7491ae6d","schema_version":"1.1","socials":{},"tags":[{"key":"category:science-and-academia","label":"Science and academia","type":"category"},{"key":"occupation:mathematician","label":"mathematician","type":"occupation"},{"key":"occupation:educator","label":"educator","type":"occupation"},{"key":"country:d.c.","label":"D.C.","type":"country"},{"key":"city:washington","label":"Washington","type":"city"},{"key":"citizenship:united states","label":"United States","type":"citizenship"}],"wikidata_id":"Q5410328","wikidata_url":"https://www.wikidata.org/wiki/Q5410328","wikipedia_url":"https://en.wikipedia.org/wiki/Euphemia_Haynes"}