Louis Charles Karpinski (5 August 1878[1] – 25 January 1956[2]) was an American mathematician.

Louis Charles Karpinski was born on August 5, 1878, in Rochester, New York.

His parents were Henry Hermanagle Karpinski of Warsaw, Poland and Mary Louise Engesser of Guebwiller, France.

[verification needed] Karpinski served as the president of the History of Science Society from 1943 to 1944.

[5] An authority on the history of science, Karpinski was collaborator on the Archivo di Storia della Scienza and author of The Hindu-Arabic Numerals[6] with David Eugene Smith (1911), Robert of Chester's Latin Translation of the Algebra of Al-Khowarizmi (1915), and Unified Mathematics with Harry Yandell Benedict and John William Calhoun (1913).