In the 1930s, a young man named Goro Yoshida disassembled a popular Leica camera model. Raised in Tokyo, he’d been fascinated by cameras even in his youth—this wasn’t his first time taking a camera apart and rebuilding it. But as he examined the Leica, Yoshida had an epiphany: he had access to all the same materials as the best manufacturers in the world—aluminum, rubber, and brass. By 1934, he’d created his own camera prototype. He called it Kwanon, but a…