Name

Pierre d'Ailly

Career

Science

Region

Europe

Era

Europe's Reconnaissance (1351-1640)

Born

1350

Died

1420

Text

French geographer and author of Imago Mundi , in which he substantially underestimated the circumference of the earth in exaggerating the eastward thrust of Asia and underestimating the extent of the world's oceans. Columbus used his calculations in making his case for a relatively short westward sea route to China.

Related People

Behaim, Martin

Related Maps

Imago Mundi (1410),

Record ID: 744