Euphemia Lofton Haynes is born

She taught without normal status or pay for years and was later dismissed by the Nazi regime because she was Jewish.

Born in Erode under British colonial rule, Ramanujan developed extraordinary results in number theory, series and continued fractions.

Working with limited access to current research, he recorded thousands of identities and theorems, often without conventional proofs.

His mathematical formation cannot be reduced to discovery by Cambridge; it began in South India before international recognition.

Poverty, examinations, patronage and imperial academic networks affected whether his work could be supported and circulated.

Her doctoral work at the Catholic University of America examined sets of independent conditions for certain correspondences.

Haynes challenged tracking systems that denied Black children access to strong academic curricula in Washington, D.C.

She combined scholarship, teaching, public service and Catholic community organizing rather than separating mathematics from society.

Cox became the first known African-American to receive a doctorate in mathematics, earning his PhD from Cornell in 1925.

His dissertation contributed to algebraic approaches to equations involving discrete changes.