Bill McKIbben - Teachers Make a Difference - Ray Karras

The transcript discusses the influence of Ray Carus, a high school American history teacher and debate coach, on the speaker's life. Carus taught a rigorous system of thinking, emphasizing information categorization and critical analysis. The speaker credits Carus's tough teaching methods for making their academic life at Harvard easier and expresses gratitude for the lasting impact on their career.

In what ways did the author utilize the systems taught by Ray Carus in their professional life?

What qualities made Ray Carus a tough teacher according to the author?