1 “... geometric approach to Lie algebra theory. The Authors Joel W. Robbin, Professor emeritus, University...”

2 “... Emeritus of Mathematics at Delft University of Technology. He is the Managing Director of the Dutch Masters...”

3 “... provided in texts on general relativity. STEPHEN C. NEWMAN is Professor Emeritus at the University...”

4 “... of Montpellier, where he is presently emeritus. His main research interests are Riemannian and pseudo-Riemannian...”

5 “... at the City College of New York. William O. J. Moser is Professor Emeritus at McGill University. Janos Pach...”

6 “... Emeritus an der Universität Augsburg...”