Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
Identify the following individual:

Lived: 1907 - 1964
A founder of 20th century environmentalism, their book "Silent Spring" led to a reappraisal of the effect of chemicals such as DDT on the environment, leading to bans and heavy restrictions.
Georg Cantor
Rachel Carson
Joseph Louis Lagrange
Robert Boyle