Horace Albright (1890-1987) was the director of the National Park System from 1929 to 1933. He also held earlier positions as superintendent of Yellowstone National Park and Yosemite National Park. The letters discuss Hill's concerns about the environmental conditions at Seqouia National Park due to the increased number of tourists.

Additional letters between Hill and Albright regarding Hill's ideas for the care of tuberculosis patients are included in the subseries for correspondence about tuberculosis.