Philippe de La Hire
He was taught by the French Jesuit theologian , mathematician , physicist and controversialist Honoré Fabri and became part of a circle formed by Fabri which included Giovanni Domenico Cassini , Claude Francois Milliet Deschales , Christiaan Huygens and his brother Constantijn , Gottfried Leibniz , René Descartes and Marin Mersenne . 
<triplet> Honoré Fabri <subj> Giovanni Domenico Cassini <obj> student <triplet> Giovanni Domenico Cassini <subj> Honoré Fabri <obj> student of <triplet> Christiaan Huygens <subj> Constantijn <obj> sibling <subj> Gottfried Leibniz <obj> student <triplet> Constantijn <subj> Christiaan Huygens <obj> sibling <triplet> Gottfried Leibniz <subj> Christiaan Huygens <obj> influenced by <subj> René Descartes <obj> influenced by <triplet> René Descartes <subj> Marin Mersenne <obj> influenced by <triplet> Marin Mersenne <subj> René Descartes <obj> influenced by