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Archive: August 2021 (9 Posts)

Image of an ornate clock showing 2:05 with sculpted male figures sitting on each side of the clock face

The Islamic World Map of 1154

Posted by: Neely Tucker

In 1154, Arab Muslim geographer al-Idrisi, working at the behest of King Roger of Sicily, created a huge map of the known world. The map was more than 9 feet long and composed of 70 separate section maps. The Library preserves a 1928 recreation of this map.

Image of an ornate clock showing 2:05 with sculpted male figures sitting on each side of the clock face

Marie Tharp: Mapping the Ocean Floor

Posted by: Neely Tucker

The remarkable career of Marie Tharp, the cartographer and scientist who helped map the ocean's floor for the first time in history, is preserved in her papers at the Library. A pioneering female scientist of 20th century, her work help lay the groundwork for the modern understanding of continental drift and plate tectonics.