Max Ritvo (1990-2016) was the author, with Sarah Ruhl, of Letters from Max. He was also the author of two collections of poems, Four Reincarnations and The Final Voicemails, which were published by Milkweed Editions in 2016 and 2018. His chapbook, Aeons, was chosen by Jean Valentine to receive the Poetry Society of America Chapbook Fellowship in 2014. Ritvo's poetry has also appeared in the New Yorker and Poetry, among many other publications.