Applied Probability Pierre-Simon Laplace presented a mathematical theory of probability with an emphasis on scientific applications in his 1812 book Theorie Analytique des Probabilities. Unfortunately,Laplace only considered the classical method,leaving no indication on how the method was to be applied to general pro 10History of Probability 10 Applied Probability ! Pierre-Simon Laplace presented a mathematical theory of probability with an emphasis on scientific applications in his 1812 book Theorie Analytique des Probabilities. ! Unfortunately, Laplace only considered the classical method, leaving no indication on how the method was to be applied to general problems