Lupitus of Barcelona
, identified with a Christian archdeacon
, was an astronomer
in late 10th century Barcelona
, then part of the Marca Hispanica
between Islamic Al-Andalus
and Christian France
changing from Christian back into Muslim hands by the conquest of Al-Mansur
Lupitus was instrumental in the transfer of Arabic mathematics, including the astrolabe and the Hindu-Arabic numeral system to Christian Europe. Gerbert of Aurillac in a letter of 984 asks Lupitus for a translation of an Arabic astronomical treatise, the Sententiae astrolabii.
- Juan Vernet, The pursuit of learning - Moorish rule in Spain - Al-Andalus: where three worlds met, UNESCO Courier, Dec 1991.