Question: who wrote on free will and in praise of folly
Answer: Desiderius Erasmus Roterodamus ( / ˌdɛzɪˈdɪəriəs ɪˈræzməs / ; 28 October 1466 -- 12 July 1536 ) , known as Erasmus or Erasmus of Rotterdam , was a Dutch Christian Humanist who was the greatest scholar of the northern Renaissance .