Pierre François Verhulst (28 October 1804, in Brussels – 15 February 1849, in Brussels) was a Belgian mathematician and a doctor in number theory from the University of Ghent in 1825. He is best known for the logistic growth model.
Maximilien Joseph Moll (14 October 1813 – 16 June 1849) was a German labour leader and revolutionary. He was a pioneer of the German labour movement and a figure in early German socialism. Moll was an early associate of Karl Marx.
Franz Xaver Gabelsberger (9 February 1789, Munich - 4 January 1849, Munich) was a German stenographer; the inventor of Gabelsberger shorthand.