Augustus De Morgan

Born in India in 1806 and educated in England, Augustus De Morgan became one of the best-known British mathematicians of his time. He was the first professor of mathematics at University College London, and his teaching and writing earned him a reputation for clarity, wit, and intellectual range.

De Morgan is especially remembered for his work in logic and for the pair of rules now called De Morgan’s laws, which remain fundamental in mathematics, logic, and computer science. He also wrote on algebra, probability, and the history of mathematics, and he had a gift for explaining serious subjects in a way that invited curious readers in.

Beyond his research, he was an energetic public thinker who contributed articles, reviews, and essays across many fields. He died in 1871, but his influence still reaches far beyond Victorian mathematics through the language and structure of modern logical reasoning.