Profound, indeed. It ranks in my top five as well.
I think the thing I found MOST disturbing is that the Left and the Media use the same tactics today that they did back then! Of course, they can no longer use certain insinuations and words with impunity as they did back then, calling Whittaker Chambers a "queer", etc.
But the tactics are the same.
Whittaker Chambers' Witness definitely had a profound impact on me, not only the narrative but what a magnificent writer he was.
For those interested in those times, Ron Radosh, a former lefty and life-long Rosenberg apologist, set out to write a book exonerating the Rosenbergs, and, even without Venona info, came to the conclusion that they were indeed guilty. Of course, he was swiftly ostracized by his former fellow travellers, and has now crossed over from the dark side.His subsequent book, Commies is also very good.
Also, Alger Hiss: Looking Glass Wars by G. Edward White, a modern-day UVA professor, is a must read for those who read Witness and want more on the topic.