Friedrich Nietzsche | Carl Sagan | Carl Jung | Friedrich Schiller | Carl Orff | Carl Maria von Weber | Carl Lewis | Carl Zeiss AG | Carl Linnaeus | Carl Sandburg | Friedrich Engels | Carl XVI Gustaf of Sweden | Carl Levin | Carl Zeiss | Carl Michael Bellman | Carl Friedrich Gauss | Karl Friedrich Schinkel | Friedrich Dürrenmatt | Carl Froch | Friedrich Hayek | Caspar David Friedrich | Carl Perkins | Carl von Clausewitz | Carl Reiner | Georg Wilhelm Friedrich Hegel | Friedrich Hölderlin | Friedrich Gustav Jakob Henle | Carl Hancock Rux | Carl Gustaf Emil Mannerheim | Carl Edwards |
Sources differ whether German inventor Carl Friedrich Uhlig created his first concertina after seeing Charles Wheatstone's instrument of the same name, or whether the two men invented their instruments concurrently and independently.