Ari Marcopoulos (born in Amsterdam, 1957) is a photographer and filmmaker known for documenting the American subculture scenes of skateboarding and hip-hop. In 1980, he emigrated from the Netherlands to the US, settling in New York and working as an assistant to Andy Warhol. Marcopoulos is a prolific author and creator of photobooks, zines, and other printed matter, such as posters. In 2020, Polaroids 92-95 (CA) and Polaroids 92-95 (NY) were published. He has shown his work in solo exhibitions at Foam, Amsterdam; Berkeley Art Museum, California; and MoMA PS1, New York, and his work has been included twice in the Whitney Biennial. Maggie Nelson is the author of the national bestseller On Freedom: Four Songs of Care and Constraint (2021), the National Book Critics Circle Award winner The Argonauts (2015), The Art of Cruelty: A Reckoning (2011), Bluets (2009), and Women, the New York School, and Other True Abstractions (2007). She writes frequently on art, and in 2016 received a MacArthur ""genius"" Fellowship. She currently teaches at the University of Southern California and lives in Los Angeles. Hamza Walker is the director of LAXART, an independent nonprofit art space in Los Angeles. Previously, he served as the director of education and associate curator at the Renaissance Society at the University of Chicago.