Guggenheim Bilbao's Structural Designer, Iyengar, Dies at 85

Srinivasa “Hal” Iyengar, an eminent structural engineer known for innovative solutions for difficult projects, such as the Guggenheim Bilbao Museum in Spain, died July 4 in Fort Myers, Fla., after a battle with Parkinson’s and heart disease. He was 85 years old.