Jacques Coitier was a French doctor. He was chief physician to Louis XI of France

Louis XI of France

Louis XI , called the Prudent , was the King of France from 1461 to 1483. He was the son of Charles VII of France and Mary of Anjou, a member of the House of Valois....

 and president of the Chambre des comptes.

His name was spelled in several ways, most often Coictier (the spelling used by Victor Hugo

Victor Hugo

Victor-Marie Hugo was a Frenchpoet, playwright, novelist, essayist, visual artist, statesman, human rights activist and exponent of the Romantic movement in France....

 in his novel The Hunchback of Notre-Dame), but also Coittier, Cotier, Coytier or Coctier. An analysis of his signatures by Achille Chereau has allowed Coitier to become the standard spelling - this was the name cited most often in medical annals.