Jaroslav Kalfař was born one year before the Velvet Revolution in Prague, Czech Republic. He immigrated to the United States at the age of fifteen and learned the English language through novels and cartoons. He has earned an MFA from New York University, where he was a Goldwater Fellow and a nominee for the inaugural E.L. Doctorow Prize. He is a recipient of the 2018 National Endowment for the Arts Creative Writing Fellowship.

He lives in Brooklyn. Spaceman of Bohemia is his first novel.