NEEDHAM, Mass. (AP) — Gunnar Birkerts, an internationally acclaimed modernist architect who designed buildings including the Federal Reserve Bank in Minneapolis, the Corning Museum of Glass in Corning, New York, and the University of Michigan Law Library, has died. He was 92. His son, Sven Birkerts, says his father died Tuesday of congestive heart failure at his home in Needham, Massachusetts. Birkerts was born in Riga, Latvia, but fled during World War II.