Embark on a captivating journey through the frontiers of particle physics in this inaugural lecture by Professor Yoshi Uchida from Imperial College London's Department of Physics. Delve into the fascinating world of neutrinos and muons, exploring their role in unraveling the mysteries of the universe. Learn about the Standard Model of particle physics, the challenges of measuring neutrinos, and the quest for physics beyond our current understanding. Discover the personal story behind Professor Uchida's research, the importance of international collaborations at facilities like CERN and Fermilab, and the groundbreaking experiments pushing the boundaries of our knowledge. From the sun's photons to proton beams and electron conversion, this comprehensive talk offers a unique glimpse into cutting-edge research that seeks to expand our understanding of the cosmos.