Never underestimate the power of a little Google-fu. I just found this video of Iwao and Hanaye Matsushita at Mt. Rainier.
They were later imprisoned with thousands of other Japanese Americans under Executive Order 9066. Iwao was categorized as “potentially dangerous to the public safety,” (partly for his leadership of the Seattle Photography Club) and interned at Fort Missoula, MI; Hanaye was held at Minidoka Relocation Center.
Mountains and nature were very important to Iwao and Hanaye. While in the camps, they found solace in the presence of these things.