Kurt Falk cofounded the Tobias School of Art in Forest Row, England, with his wife Anne Stockton. He was a teacher of art history. Prior to that, he had been a biodynamic farmer in Germany and, later, in Egypt. While in Cairo, he discovered the mysterious Bosch painting that forms the center of The Unknown Hieronymous Bosch. He researched extensively the paintings of Bosch until his death in 1986.