Final answer:
Jean Lesage was the Premier of Quebec at the beginning of the Quiet Revolution.
Step-by-step explanation:
The Premier of Quebec at the beginning of the Quiet Revolution was Jean Lesage. The Quiet Revolution was a period of intense social and political changes in Quebec that took place from the late 1950s to the early 1970s. Jean Lesage was the leader of the Liberal Party of Quebec and served as Premier from 1960 to 1966. During his tenure, he implemented a series of reforms that modernized Quebec's economy, education system, and social services.