Births on February 27

Paul von Ragué Schleyer, American chemist and academic (d. 2014)

Paul von Ragué Schleyer (February 27, 1930 – November 21, 2014) was an American physical organic chemist of substantial significance whose research is cited with great frequency. A 1997 survey indicated that Dr. Schleyer was, at the time, the world's third most cited chemist, with over 1100 technical papers produced. He was Eugene Higgins Professor of Chemistry at Princeton University, Professor and co-director of the Institute for Organic Chemistry (Institut für organische Chemie) at the University of Erlangen–Nuremberg in Germany, and later Graham Perdue Professor of Chemistry at the University of Georgia in Athens, Georgia. He published twelve books in the fields of lithium chemistry, ab initio molecular orbital theory and carbonium ions. He was past president of the World Association of Theoretically Oriented Chemists, a fellow of the International Academy of Quantum Molecular Science and editor-in-chief of the Encyclopedia of Computational Chemistry.