Dennis G. “Denny” Kruska, a graduate of University of California, Los Angeles, Hughes Aircraft physicist, venture capitalist
researcher, printing consultant, historical author and bibliographer and collector of Yosemite and Sierra Nevada materials
amassed this collection of Japanese American internment items. The collection covers a wide variety of materials, ranging
from 1905 to 2013 which are arranged into six series, with like materials being grouped together, including newspapers and
clippings, photographs, postal materials, printed matter, realia, and research materials.