Marsha P. Johnson was a prominent African American transgender activist and a key figure in the LGBTQ+ rights movement, known for her role in the Stonewall uprising of 1969. She co-founded the Street Transvestite Action Revolutionaries (STAR) with Sylvia Rivera, advocating for the rights and welfare of marginalized transgender individuals and sex workers. Her activism highlighted issues of sexual orientation and gender identity discrimination, making her an iconic figure in the fight for LGBTQ+ equality.