Who is Immanuel Kant from The Story of Philosophy and what is their importance?

Immanuel Kant is born in 1724 and lives until 1804. His family comes from Scotland a hundred years earlier. Kant himself is born in Konigsberg, Prussia. As a child he spends his days totally immersed in religion. Kant does not attend church as an adult. He tutors a short period of time in a nearby village but otherwise never leaves his birth town. He has limited exposure to the world around him but is exposed to the skeptical trends of the time. He is influenced as well by those whose theories he challenges.