Florence Nightingale (1820)

English mathematician and writer, known for her work on the Analytical Engine designed by Charles Babbage. She is often regarded as the first computer programmer for her notes on the machine.

Serbian-American inventor and electrical engineer best known for his contributions to the design of the modern alternating current electrical supply system.

American Baptist minister and activist who became the most visible leader of the civil rights movement. He advanced civil rights through nonviolence and civil disobedience, inspired by Gandhi.

South African anti-apartheid leader who served as the first president of South Africa from 1994 to 1999. He spent 27 years in prison before leading the transition from apartheid to democracy.

American aviation pioneer and author. She was the first female aviator to fly solo across the Atlantic Ocean in 1932. She disappeared in 1937 during an attempt to circumnavigate the globe.

German-born theoretical physicist who developed the theory of relativity. His work on the photoelectric effect earned him the Nobel Prize in Physics in 1921.