Ti-Grace Atkinson, an early National Organization of Women leader and founder of a radical 1960s feminist splinter group, is applying her advocacy skills to equitable housing issues in one of the priciest real estate markets in the country.

Gender equality advocate Anne-Marie Slaughter, author of “Unfinished Business: Women Men Work Family,” implored a sold-out Brattle Theatre audience this week to stop upholding breadwinning over caregiving.