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Doug Hubbard, the chief naturalist at Yosemite National Park between 1955 and 1966 who had a knack for designing interpretive displays that appealed to all ages, has passed away at age 92.

Chief Hubbard's ties to the Park Service date to the summer of 1940, when he was an aide to Joseph Dixon, the director of the Yosemite School of Field Natural History, and he spent the summer of 1941 as a seasonal naturalist at Sequoia National Park.