description Giovanni Leardo Overview
Giovanni Leardo was a fifteenth-century Venetian cartographer known from several signed circular world maps. His mappae mundi combine Mediterranean nautical geography with medieval cosmological conventions, including calendrical rings and a representation of Jerusalem near the center. A map dated 1452 is preserved by the American Geographical Society Library in Milwaukee and provides evidence of how Venetian mapmakers joined practical and inherited geographic traditions.
help Giovanni Leardo FAQ
Who was Giovanni Leardo?
Giovanni Leardo was a fifteenth-century Venetian cartographer known from several signed circular world maps. His maps combine nautical geography with medieval cosmological ideas.
What are the calendrical rings on Giovanni Leardo's maps?
The calendrical rings are circular timekeeping and calendar elements placed around the world map. They show that Leardo's mappae mundi were intended to present a cosmological order as well as geographic information.
Where is Jerusalem shown on Giovanni Leardo's world maps?
Jerusalem is represented near the center of the composition, reflecting its importance in medieval Christian world-picture traditions. This differs from a modern map, which usually centers geography according to longitude and latitude.
Are Giovanni Leardo's maps modern navigational charts?
No. His circular mappae mundi combine Mediterranean nautical knowledge with medieval cosmological conventions. They are historical world pictures, not modern charts designed for precise navigation.
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