Erich Hückel

Erich Armand Arthur Joseph Hückel (9 August 1896 – 16 February 1980) was a German physicist and physical chemist.

Quotes
Calculations quite a few. But one thing has not been seen: Just what does psi really mean?
 * Erwin with his psi can do
 * As translated by Felix Bloch, and quoted in Traditions et tendances nouvelles des études romanes au Danemark (1988) by Ebbe Spang-Hanssen and Michael Herslund, p. 207; also in The Pioneers of NMR and Magnetic Resonance in Medicine : The Story of MRI‎ (1996) by James Mattson and Merrill Simon, p. 278