Czernak

Czernak, JOHANN NEPOMUK, physiologist, was born, 17th June 1828, in Prague, studied at Vienna, Breslau, and Würzburg, was professor successively at Cracow, Pesth, Jena, and Leipzig, and died 16th September 1873. He was the founder of laryngoscopy. His principal work is Der Kehlkopfspiegel (2d ed. 1863), and his collected works were published in 1879.