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Mary Jo Ignoffo

Mary Jo Ignoffo teaches history at De Anza College in Cupertino, California, specializing in modern U.S., California, and local history. She has authored six books, and her Gold Rush Politics was the California State Senate's commemorative book in honor of California's Sesquicentennial. Her biography of the rifle heiress, Sarah Winchester, identifies dozens of sources that dispel the convoluted mythology about the widow. Ignoffo's articles have appeared in the San Jose Mercury News, Santa Clara Magazine, and The Californian. She has been interviewed for film documentaries including Sunnyvale Voices, a compilation of stories about the defense and agricultural industries in California; Million Dollar Dirt about the demise of farmland in the San Francisco Bay Area; and two upcoming documentaries. Ignoffo has worked as a preservation consultant, participating in surveys of historic buildings, and as curator at history museums in the San Francisco Bay Area for more than a dozen installations.