Marie Jules César Savigny

Marie Jules César Lelorgne de Savigny was a French zoologist and naturalist who served on Emperor Napoleon's Egypt expedition in 1798. He published descriptions of numerous taxa and was among the first to propose that the mouth-parts of insects are derived from the jointed legs of segmented arthropods.

5 April 1777

Born on the same birth day (5 April): Adriano Grimaldi • Carl Rudolf Florin • Cem Karaca • Curt Bois • Dominik Mysterio • Gale Storm • Henry Wellesley, 3rd Duke of Wellington • István Örkény • James III of Majorca • Janet Rowley • Jorge Martínez (footballer, born April 1983) • Louis Spohr • Mariqueen Maandig • Max Grün • Philemon Dickinson • Prentice Mulford • Sara Danius • Shammond Williams • Tae Jin-ah • Tommy Cash

Born in the same month (April 1777): Carl Friedrich Gauss • Henry Clay