Sanford W. Buck (1854-1923) was born in Glencoe, Wisconsin, and died in Gaylord, Michigan. He was the son of Nancy M. Buck, a cousin of Fannie M. Silsbee's, and he was also the executor of Silsbee's estate. For many years he worked as a cashier at the Gaylord State Savings bank. Although he expressed an interest in Christian Science, there is no record of him studying with Mary Baker Eddy or uniting with the Church of Christ (Scientist).

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