| gptkbp:instanceOf | gptkb:person 
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                                | gptkbp:almaMater | gptkb:Smith_College gptkb:University_of_Chicago
 gptkb:The_Catholic_University_of_America
 
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                                | gptkbp:awardReceived | Papacy Medal Pro Ecclesia et Pontifice 
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                                | gptkbp:birthDate | 1890-09-11 
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                                | gptkbp:birthPlace | gptkb:Washington,_D.C. 
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                                | gptkbp:deathDate | 1980-07-25 
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                                | gptkbp:deathPlace | gptkb:Washington,_D.C. 
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                                | gptkbp:doctoralAdvisor | Aubrey E. Landry 
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                                | gptkbp:employer | gptkb:District_of_Columbia_Public_Schools 
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                                | gptkbp:fieldOfWork | gptkb:mathematics education
 
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                                | gptkbp:fullName | Martha Euphemia Lofton Haynes 
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                                | gptkbp:knownFor | first African-American woman to earn a PhD in mathematics 
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                                | gptkbp:nationality | gptkb:American 
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                                | gptkbp:notableAchievement | advocated for desegregation of D.C. public schools 
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                                | gptkbp:occupation | gptkb:educator gptkb:mathematician
 
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                                | gptkbp:positionHeld | Chair of the D.C. Board of Education 
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                                | gptkbp:religion | gptkb:Roman_Catholic 
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                                | gptkbp:spouse | Harold Appo Haynes 
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                                | gptkbp:thesisTitle | The Determination of Sets of Independent Conditions Characterizing Certain Special Cases of Symmetric Correspondences 
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                                | gptkbp:bfsParent | gptkb:African-American_mathematicians 
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                                | gptkbp:bfsLayer | 8 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Euphemia Haynes 
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