73847
Descartes 's work provided the basis for the calculus developed by Newton and Leibniz , who applied infinitesimal calculus to the tangent line problem , thus permitting the evolution of that branch of modern mathematics .
 Descartes, Newton, Leibniz
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Descartes, Newton, Leibniz