Correspondence, scrapbooks of clippings, and personalia, relating primarily to his last years with the Service. A few papers pertain to his early business career with the Pacific Coast Borax Company and the Thockildsen-Mather Borax Company. Also included are letters of condolence to Mrs. Mather and correspondence concerning memorial ceremonies for Mather in several national parks.

Stephen Tyng Mather, first director of the U.S. National Park Service, was born in San Francisco on July 4, 1867. Here he attended the Boys High School, and went on to the University of California at Berkeley, graduating in 1887. His interest in journalism led to his first job as a cub reporter on the New York Sun in September of that year. He left this employment shortly after his marriage to Jane Thacker Floy in 1893 to become a member of the New York office of the Pacific Coast Borax Company. An astute businessman, Mather had the idea of publicizing household uses for borax, and in 1894 opened an office in Chicago. By 1898, he formed his own successful company, the Thockildsen-Mather Borax Company.

Number of containers: 7 boxes, 1 carton, 10 volumes, 1 oversize folder

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Collection is open for research.