When rebuilding the Cathedral of Notre Dame at Chartres, the Romanesque apse was transformed into a Gothic choir by Abbot Suger.
The person that transformed the Cathedral of Notre Dame at Chartres into a Gothic choir from its Romanesque style was Abbot Suger.
Abbot Suger, who lived between 1081 and 1151 CE, was the mastermind behind the first-ever Gothic cathedral in France.
Thus, when rebuilding the Cathedral of Notre Dame at Chartres, the Romanesque apse was transformed into a Gothic choir by Abbot Suger.
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