Alexander the Great | Alexander Pope | Alexander | Alexander Graham Bell | Alexander Calder | Alexander Pushkin | Alexander von Humboldt | Alexander I of Russia | Alexander II of Russia | Wernher von Braun | Alexander Hamilton | Alexander McQueen | Alexander II | Pope Alexander III | Jason Alexander | Alexander I | Alexander Korda | Alexander McCall Smith | Pope Alexander VI | Alexander von Humboldt Foundation | Alexander III of Russia | Alexander Alekhine | Alexander Mackenzie | Alexander Haig | Alexander Frey | Lloyd Alexander | Alexander Scriabin | Alexander III | Alexander Fleming | Alexander Borodin |
Directors of the botanical garden from this period included Karl Julius Perleb, Fridolin Karl Leopold Spenner, Alexander Braun, Carl Wilhelm von Nägeli, Heinrich Anton de Bary and Julius von Sachs.