This lecture is a tribute to Martin Hasler, a distinguished professor at EPFL, highlighting his contributions to circuit theory, chaos theory, and leadership. It covers his academic journey, research achievements, and impact on the EPFL community, showcasing his expertise in nonlinear circuits and communication systems. The lecture also delves into his personal life, including his family, hobbies, and involvement in music and community activities. Through anecdotes and reflections from colleagues, the lecture paints a comprehensive picture of Martin Hasler's legacy as a brilliant researcher, dedicated educator, and influential leader at EPFL.