The golden anniversary celebration of the National Association of Mathematicians : AMS Special Session, The Mathematics of Historically Black Colleges and Universities (HBCUs) in the Mid-Atlantic, January 17, 2019, Baltimore, Maryland [...] / Omayra Ortega, Emille Davie Lawrence, Edray Herber Goins, editors. Providence, Rhode Island : American Mathematical Society, [2020] ; © 2020