Leonhard Euler (April 15, 1707 – September 7, 1783) je onimo isiro ati onimo fisisi omo orile-ede Switzerland ti o gbe gbogbo ojo aye re ni Russia ati Jẹ́mánì. Dan Graves (1996). Scientists of Faith. Grand Rapids, MI: Kregel Resources. pp. 85–86.  E. T. Bell (1953). Men of Mathematics, Vol. 1. London: Penguin. pp. 155.