Beside Mobiles the exhibit at the Graduate School of Design includes a number of "Stabiles," the name John Arp gave Calder's stationary sculpture. "Big Ear" is an example of how bulky these pieces ...

The big picture: From the Fremont Troll to Hat and Boots, The Black Sun, The Eagle, Hammering Man or Changing Form — known ...

Alexander Calder was an American artist. He was born in 1898 in Pennsylvania, USA and died in 1976. Sculptures are usually still as people walk around them, but Calder's sculptures move.