Toh EnJoe was born in Hokkaido in 1972. After completing a PhD at the University of Tokyo, he became a researcher in theoretical physics. In 2007 he won the Bungakukai Shinjinsho (Literary World Newcomer's) Prize with "Of the Baseball." That same year brought the publication of his book Self-Reference ENGINE, which caused a sensation in SF circles and which was ranked no. 2 on SF Magazine's list of the best science fiction of the year. Since then, EnJoe has been one of those rare writers comfortable working in both "pure literature" and science fiction. In 2010 his novel U Yu Shi Tan won the Noma Prize for new authors. In 2011 his "This Is a Pen" was nominated for the Akutagawa Prize, and he won Waseda University's Tsubouchi Shouyou Prize. In January 2012, he won the Akutagawa Prize with "Doukeshi no Cyo" (Butterflies of a Harlequin). His other works include Boy's Surface and About Goto.