Spouses of historical figures often played significant roles in shaping their partners' lives and legacies. For instance, Eleanor Roosevelt was not only the wife of Franklin D. Roosevelt but also an influential political figure in her own right, advocating for civil rights and social reforms. These relationships can provide insight into the personal lives of prominent leaders and their influences. The partnership between Marie Curie and her husband Pierre Curie exemplifies collaboration in scientific research, as they worked together to advance the study of radioactivity, leading to groundbreaking discoveries.