Keywords: JanosBolyai.jpg Hungarian mathematician János Bolyai Comment The picture of him is taken from a stamp issued by the Hungarian Post Office to celebrate the centenary of his death It is not believed to be authentic and no authentic picture exists cited from J J O'Connor E F Robertson http //www-groups dcs st-and ac uk/~history/Biographies/Bolyai html János Bolyai The MacTutor History of Mathematics archive March 2004 pd-old The picture is from http //turnbull mcs st-and ac uk/~history/PictDisplay/Bolyai html The Copyright information at the bottom of the page says We believe that most of the images are in the public domain which is good enough for me János Bolyai |