Henricus Martellus Germanus

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World map of Henricus Martellus Germanus

Henricus Martellus Germanus (years of activity 1480–1496) (pseudonym of Heinrich Hammer) was a German cartographer who lived in Italy .

He came from the Nuremberg area and is said to have worked in Florence for the map maker and publisher F. Roselli. Another indication names Rome as the place of collaboration with Roselli and does not assume Florence as the center of life until the end of the 15th century. At least he was employed by the Martelli family in Florence for many years .

Around 1490 he produced a world map that is remarkably similar to Martin Behaim's 1492 earth globe (or " Erdapfel ") . Both reveal strong influences from Ptolemy .

Name variants

  • Henricus Martellus Germanus,
  • Henricus (Germanus),
  • Enrico Martello,
  • Henricus martellus, Martellus


  • Werner-Francisco Bär, The map of the island of Mallorca from the end of the 15th century. until around 1700 , Frankfurter Geographische Hefte, Volume 66, Frankfurt am Main 2004, ISBN 3-9808888-0-0 , page 33 ff.

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