Andrea Gibson, a celebrated poet and performance artist who through their verse explored gender identity, politics and their 4-year battle with terminal ovarian cancer, died Monday at age 49.

I am more with you than I ever could have imagined,” Gibson says in the poem, written while facing a terminal illness.

Gibson was an artist and activist, whose spoken word poetry captivated millions and defied the hyperindividualism that defines this political moment. They and their wife, Megan Falley, are the subjects of a forthcoming documentary,