Ernst von Glasersfeld was born in Munich, 1917, of Austrian parents, and grew up in Northern Italy and Switzerland. Briefly studied mathematics in Zürich and Vienna. Returned to Italy in 1946, worked as a journalist, and collaborated until 1961 in Ceccato’s Scuola Operativa Italiana (language analysis and machine translation). From 1962 director of US-sponsored research project in computational linguistics. From 1970, he taught cognitive psychology at the University of Georgia, USA. Professor Emeritus in 1987. He held several honorary doctorates. Ernst von Glasersfeld passed away on 12 November 2010.