Poisson
/pwɑːˈsʊŋ/- Poisson, Siméon-Denis (1781-1840), French mathematical physicist. His major contributions were in probability theory, in which he greatly improved Laplace's work and developed several concepts that are now named after him.泊松, 西梅翁-德尼（1781-1840, 法国数学物理学家, 其主要贡献在于概率论, 他在这方面极大地改进了拉普拉斯的研究成果, 提出了几个现在以他命名的概念）。