Explorers. Christopher Columbus and Leonardo da Vinci.
Donovan
A J
AJ
University of Southern California, Los Angeles.
D004210:Dissection / Q000266:history; D005197:Famous Persons; D013502:General Surgery / Q000266:history*; D049668:History, 15th Century; D049669:History, 16th Century; D049672:History, 19th Century; D049691:History, Medieval; D007558:Italy