Timeline April 1840

Events in April 1840 2

• 1781 – 1840 Simeon Denis Poisson (1781-1840) Died 25 April 1840, aged 58 Simeon Denis Poisson was a French mathematician and physicist known for his work on probability theory, statistics, and mechanics, including the Poisson distribution that bears his name. He contributed significantly to electricity, magnetism, and celestial mechanics. He died on 25 April 1840 in Paris.
• 1840 – 1902 Emile Zola French novelist Zola led the Naturalist movement, depicting social conditions with scientific realism and political critique.