Signature of the contract for casting of the 8.4-meter primary mirror

The contract for casting of the 8.4-meter primary mirror of the Large Synoptic Survey Telescope by the University of Arizona (UA) Mirror Lab is signed by (L-R) Dr. John P. Schaefer, President of Research Corporation and LSST Board President, and Dr. Peter A. Strittmatter, Director, UA Steward Observatory. Dr. Donald W. Sweeney, LSST Project Manager, looks on