Elizabeth Thacher Kent was an environmentalist and women's rights activist. Together with her husband, U.S. Congressman William Kent, she helped create the Muir Woods National Monument by donating land to the government. She was the president of her local chapter of the Women's International League for Peace and Freedom and served on the national council of the National Woman's Party. In addition, she authored an autobiography as well as a biography of her husband's life and career.

William Kent was an American politician, conservationist and philanthropist from Marin County, California. He served as a U.S. Representative from Northern California between 1911 and 1917, and was instrumental in the creation of Muir Woods National Monument.