Complex sentence: Gerard of Cremona (Italian: Gerardo da Cremona; Latin: Gerardus Cremonensis; "c." 1114--1187), the Italian translator of Arabic scientific works was most famous as the translator of Ptolemy's "Astronomy" from Arabic texts found in Toledo.
Split into simpler sentences: Gerard of Cremona (Italian: Gerardo da Cremona; Latin: Gerardus Cremonensis; "c." 1114--1187), was an Italian translator of Arabic scientific works. One of his most famous translations is of Ptolemy's "Astronomy" from Arabic texts found in Toledo.