Diana Block was part of the 10th and the 50th Anniversary Venceremos Brigades and worked for many years to win the freedom of the Cuban 5 political prisoners.   She is the author of a memoir, Arm the Spirit – A Woman’s Journey Underground and Back, and a novel, Clandestine Occupations – An Imaginary History.  She is a founding and active member of the California Coalition for Women Prisoners, an abolitionist organization that is celebrating its 25th anniversary in 2020.