Reif Larsen is an American author. He studied at Brown University and has taught at Columbia University, where he received his MFA in fiction. He is the author of The Selected Works of T. S. Spivet, an international bestseller that has been published in 27 languages. It was also shortlisted for the Guardian First Book Award and the James Tait Black Memorial Prize and was made into the film The Young and Prodigious T. S. Spivet (2013). He is also a filmmaker who has made documentaries in the US, UK and sub-Saharan Africa. He currently lives in Scotland.