Michèle Audin is a mathematician and a professor at l'Institut de recherche mathématique avancée (IRMA) in Strasbourg, where she does research notably in the area of symplectic geometry. Audin is a member of the Oulipo, and is the author of many works of mathematics and the history of mathematics, and has also published a work of creative nonfiction on the disappearance of her father, Une vie brève (Gallimard, 2013), contributed to a collection of short stories, Georges Perec and the Oulipo: Winter Journeys (Atlas Press, 2013), and edited and annotated an abecedary of Oulipo works, OULIPO L'Abécédaire provisoirement définitif (Larousse, 2014). One Hundred Twenty-One Days is her first novel and was published to universal acclaim in 2014 by the prestigious Gallimard publishing house in France.

Christiana Hills is a literary translator who graduated from NYU's MA program in Literary Translation, and is currently a doctoral candidate in Translation Studies at Binghamton University in New York.