Flavia Stickney Knapp (1849-1898) was born in Lyman, New Hampshire, and died in Boston, Massachusetts. Knapp became interested in Christian Science in 1884, when she received Christian Science treatment through prayer from Mary E. Harris, a student of Eddy's. Knapp studied with Eddy, completing the Primary (1884 and 1885) and Obstetrics (1887) classes. She joined the Christian Scientist Association in December 1885. She was one of the First Members of The Mother Church, later known as "Executive Members," who were the original members when the church was formed on September 23, 1892. There were twelve original First Members. In February 1898, Eddy appointed Knapp to serve on the first Board of Education, a position she held until her passing. She was listed as a Christian Science practitioner and teacher in the directory of The Christian Science Journal.

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