Ruth Bader Ginsburg significantly advanced gender equality through her legal career and judicial advocacy. As a co-founder of the Women’s Rights Project at the ACLU, she fought against sex discrimination and won key Supreme Court cases that challenged gender-based disparities. Ginsburg's tenure on the Supreme Court emphasized the importance of equal rights, and she became a cultural icon for women’s rights. Her rulings and dissents reinforced the idea that gender equality is fundamental to justice, inspiring future generations of activists.