This classification was erected by Hans Friedrich Gadow in 1893 and followed by Alfred Romer (1933) and subsequent authors through most of the 20th century.
Neornithes was originally proposed as a replacement for Ornithurae by Gadow in 1892 and 1893.
Hans Christian Andersen | Friedrich Nietzsche | Friedrich Schiller | Hans Holbein the Younger | Hans Zimmer | Hans Werner Henze | Friedrich Engels | Carl Friedrich Gauss | Karl Friedrich Schinkel | Hans Memling | Friedrich Dürrenmatt | Hans Pfitzner | Hans Küng | Friedrich Hayek | Caspar David Friedrich | Hans Conried | Hans Knappertsbusch | Georg Wilhelm Friedrich Hegel | Friedrich Hölderlin | Friedrich Gustav Jakob Henle | Hans Magnus Enzensberger | Hans-Dietrich Genscher | Hans Blix | Friedrich Ebert | Hans Zender | Hans Scholl | Hans Hofmann | Hans Christian Ørsted | Friedrich Wilhelm Joseph Schelling | Karl Wilhelm Friedrich Schlegel |