Who was secuta known as map maker for Columbus?

Secuta, also known as "Sextus," was a cartographer who is often credited with creating maps that aided Christopher Columbus during his voyages. His contributions to navigation and mapping were significant in the Age of Exploration, helping Columbus in his quest to find a westward route to Asia. However, detailed historical records about Secuta are limited, and he is not as widely recognized as other figures from that era.