Massive class inequality. Nobles and Clergymen were, in the French citizen's eyes, wasting money to fuel their lavish life style. They believed the 1% were living off the other 99% and they were right. France had a huge economic downfall after supporting the American Revolution so the citizens thought it unfair that the problem the government caused should be forced on them alone.
During the Hellenistic Age, Archimedes made advancements in "mathematics"--specifically in the realm of geometry, since he developed innovative ways to calculate volume, area, etc.
I think the answer is jan matzeliger
