Douglas Richard Hofstadter is an American cognitive and computer scientist whose research includes concepts such as the sense of self in relation to the external world, consciousness, analogy-making,
Hofstadter in 2006
Musings on the Rainbow Ambigram, Douglas Hofstadter's mirror design featuring the names of the seven rainbow colors, followed by a perceptual shift ambigram "2006" / "Doug", fusion of the date and his signature.
Hofstadter in Bologna, Italy, in 2002
In condensed matter physics, Hofstadter's butterfly is a graph of the spectral properties of non-interacting two-dimensional electrons in a perpendicular magnetic field in a lattice. The fractal, self
Douglas Hofstadter
…experience "traumatic". His graduate studies on the energy levels of Bloch electrons in a magnetic field led to his discovery of the fractal known as Hofstadter's butterfly. Hofstadter was initially appointed to Indiana University's computer science department faculty in 1977, and at that time he launched his research…
Rendering of the butterfly by Hofstadter
Hofstadter's butterfly monochrome with axes en