sentences:  By May 2011, the talks had failed, with the Pittsburgh Glass Center withdrawing from negotiations.Throughout the years many renovations were made at both the Marshall building, which houses the galleries, and the Scaife building, which houses the school.The last major renovation was to the Marshall building, which reopened March 24, 1990 with a dedication by Mayor Sophie Masloff to 800 guests, including Jane Marshall Fisher, granddaughter of the building's original donor.