British mathematician (1815-1852), pioneer of computing and programming. She wrote the first algorithm intended to be executed by a machine, working on Charles Babbage's Analytical Engine. Her legacy makes her a founding figure of theoretical computer science.

British mathematician (1791–1871), Charles Babbage is the pioneer of modern computing. He designed the Analytical Engine, the first programmable machine in history, and the Difference Engine, both conceptual ancestors of the computer.

A 19th-century English naturalist, Charles Darwin revolutionized biology by proposing the theory of evolution by natural selection. His observations during the voyage of the Beagle and his subsequent work laid the foundations of modern biology.

French novelist, journalist and literary critic (1840-1902), founder of the Naturalist movement. He is the author of Germinal and L'Assommoir, landmark novels of the 19th century that expose the living conditions of the working class. Zola took a decisive political stand during the Dreyfus Affair by publishing his famous open letter 'J'Accuse'.

French journalist and feminist activist (1803–1844), Flora Tristan championed the emancipation of women and the condition of the working class in the 19th century. She was a pioneer of feminism and socialism, placing the question of women at the heart of political and social debate.

German physicist (1787-1854) who discovered the fundamental relationship between voltage, current, and electrical resistance. His law, formulated in 1827, became one of the foundational laws of electricity and bears his name.

19th-century British mathematician and logician, founder of Boolean algebra. He revolutionized logic by translating it into a mathematical system, laying the foundations of modern computing.

French novelist (1799–1850) and founder of literary realism. He created The Human Comedy, a vast novelistic panorama of French society in the 19th century, comprising more than 90 interconnected works.

A French writer of the 19th century, Jules Verne is considered the father of science fiction. His adventure novels blending exploration, technology, and imagination captivated generations of readers and continue to influence literature and cinema.

German philosopher, sociologist, and economist (1818–1883), Karl Marx is the founder of historical materialism and the critical analysis of capitalism. He revolutionized political thought by proposing a theory of class struggle and social transformation.

French chemist and biologist (1822–1895), founder of modern microbiology. He demonstrated the role of microorganisms in diseases and fermentation, revolutionizing medicine and hygiene. His discoveries led to the development of vaccines and pasteurization.

Serbian-American inventor and engineer (1856-1943), Nikola Tesla is one of the central figures of the electrical revolution. His work on alternating current and his technological innovations transformed modern electricity and energy transmission.