Announced September 21, 2005. Awarded January 5, 2006, at the 36th Winter Colloquium on the Physics of Quantum Electronics.

Raymond Y. Chiao, University of California at Berkeley (bio)

For contributions to our understanding of time in quantum mechanics in connection with the quantum eraser and ultra-fast light.

Roy J. Glauber, Harvard University (bio)

For contributions to our understanding of the foundations of quantum coherence theory.

Manfred Kleber, Technische Universität München (bio)

For contributions to our understanding of tunneling time and quantum interference in the presence of external fields.