Above Fifth Avenue recipient-women " In other words: E

" In other words: E = mc2

"That stopped tackling and slugging

President Roosevelt wanted to see for himself the Panama Canal

Helmets were originally plain natural leather

a delver into obscure corners of human knowledge

Above Fifth Avenue recipient-women " In other words: EPhotographers went to great lengths, and heights, to snap photographs of skyscrapers under construction in New York City. In this 1905 photo, a daring photographer appears to almost float in midair, 18 stories above Fifth Avenue, looking north. Look closely and you'll notice a thin iron bar supports him, though we're guessing that provided little comfort knowing terra firma was a long, long way down.