📅 11 September 1890
Haynes became the first African-American woman to earn a doctorate in mathematics and a major advocate for educational justice.
📅 11 September 1890
Her doctoral work at the Catholic University of America examined sets of independent conditions for certain correspondences.
📅 11 September 1890
Haynes challenged tracking systems that denied Black children access to strong academic curricula in Washington, D.C.
📅 11 September 1890
She combined scholarship, teaching, public service and Catholic community organizing rather than separating mathematics from society.
