Hua Luogeng is born

He wrote and lectured for general audiences, presenting advanced scientific knowledge as part of national education rather than a European possession.

Vaughan became a mathematician, programmer and the first Black supervisor at the segregated West Area Computing Unit at Langley.

She assigned and reviewed demanding aeronautical calculations while advocating for staff members' opportunities.

Anticipating automation, she learned programming and helped colleagues shift from hand calculation to digital computing.

Vaughan's achievements occurred within racially separated facilities and job classifications that obscured Black women's contributions.

His research addressed Waring's problem, exponential sums, prime numbers and the geometry of numbers.

Japanese invasion, migration, overseas appointments and the founding of the People's Republic changed where and how he worked.

He promoted optimization and operational research in factories and agriculture, connecting advanced mathematics with mass development programs.

Turing became a founder of theoretical computer science and made influential contributions to logic, cryptanalysis and artificial intelligence.

His abstract device clarified what it means for a procedure to be mechanically calculable.