Background
Louis was born in Miskolc, Hungary in 1851. His father, Michael, son of Phineas Mendel, was also an encyclopedist and scholar of Hebrew history and literature and a follower of Lajos Kossuth. The family left Hungary as refugees in 1856.
Louis was born in Miskolc, Hungary in 1851. His father, Michael, son of Phineas Mendel, was also an encyclopedist and scholar of Hebrew history and literature and a follower of Lajos Kossuth. The family left Hungary as refugees in 1856.
Heilprin was educated by his father.
Louis and his father were both contributors to the American Encyclopedia, Century Encyclopedia of Names, New International Encyclopedia, and Lippincott'sPronouncing Gazetteer.
He also wrote articles for The Evening Post and The Nation.