Explore a captivating guest talk featuring Marty Hellman, a renowned figure in cryptography, as he shares insights and experiences with an Applied Cryptography class. Delve into a wide range of topics including ethics, the Crypto War, advice for startups, and innovation in cryptography. Gain valuable perspectives on discrete logarithms, independent science, nuclear weapons, and media suppression. Learn from Hellman's advice for young researchers and engage with the Q&A session. Access additional resources, including Hellman's home page and his downloadable book, to further expand your knowledge in the field of cryptography.