bachelier 's thesis translated english work never forgotten mathematical community bachelier published book detailing ideas ref name jovanovic cited mathematicians including doob feller ref name jovanovic kolmogorov ref name jarrowprotter book continued cited starting original thesis bachelier began cited book economists started citing bachelier 's work ref name jovanovic albert einstein published paper studied physical observation brownian motion movement explain seemingly random movements particles
Formal science Mathematics Pure mathematics Probability theory Stochastic process