1) Contemporary of voltaire 2) Denis diderot 3) Encyclopedist Denis 4) French encyclopedist 5) Noted french encyclopedist 6) Philosopher 
[n] - French philosopher who was a leading figure of the Enlightenment in France
Denis Diderot noun French philosopher who was a leading figure of the Enlightenment in France; principal editor of an encyclopedia that disseminated the scientific and philosophical knowledge of the time (1713-1784)
1713–84, French philosopher, critic, and encyclopedist.