
ABOVE: "Flying Machine," Leonardo da Vinci, 1490

ABOVE: "Ornithopter," by Victor Tatin, 1875

ABOVE: Ovaries, Fallopian Tubes, Uterus

ABOVE: Sketch of the Guggenheim Museum, by Frank Lloyd Wright

ABOVE: Pink conch shell

ABOVE: The Guggenheim, inside (links to museum's site, timeline of the building's construction)

ABOVE: Nautilus shell's spiral of chambers, called camerae, that this cephalopod builds for itself as it grows. Photo by Todd Gipstein

ABOVE: "Ornithopter," Leonardo


ABOVE: Edward Lear, Self-Portrait as a Bird; GB commemorative stamps, 1988, on the centenary of Lear's death
(You can see I saved the best for last.)