Rico Bulthuis was born on August 27, 1911 in The Hague, Zuid-Holland, Netherlands. He was a writer, known for De vergeten medeminnaar (1963). He died on October 4, 2009 in Zutphen, Gelderland, Netherlands.
He was a Dutch writer of mostly psychological thrillers and detective novels; puppeteer, illustrator, photographer, civil servant and art critic.
Bulthuis also published under the pseudonym Hans Guignoly.
Bulthuis initially worked as an advertising expert and portrait photographer, and after the Second World War became a reviewer and art critic at the Haagsche Courant.
Bulthuis came into contact with parapsychologists, including Wilhelm Tenhaeff, of whom he had few good memories. Tenhaeff was described by Bulthuis as ambitious and even as a bad person.