C. 1935; the Greater Penobscot Building, located at 645 Griswold Street near Campus Martius, was designed by Wirt C. Rowland in Art Deco style and completed in 1928; at 47 stories high, it was the tallest building in Detroit for almost 50 years until overtaken by the Renaissance Center in 1977; it is recognizable by the red light on top of the building, which is 12 feet in diameter; it was named after a Native American tribe, and its primary use is office space.