Mary L. Bonauto is an American lawyer and civil rights advocate who has worked to eradicate discrimination based on sexual orientation and gender identity, and has been referred to by US Representative Barney Frank as "our Thurgood Marshall." She began working with the Massachusetts-based Gay & Lesbian Advocates & Defenders, now named GLBTQ Legal Advocates & Defenders (GLAD) organization in 1990. A resident of Portland, Maine, Bonauto was one of the leaders who both worked wi…