text: Vilma Lucila Espín Guillois (7 April 1930 – 18 June 2007) was a Cuban revolutionary, feminist, and chemical engineer. She helped supply and organize the 26th of July Movement as an underground spy, and took an active role in many branches of the Cuban government from the conclusion of the revolution to her death. Espín helped found the Federation of Cuban Women and promoted equal rights for Cuban women in all spheres of life.