It is one in a series of kinetic sculptures that Alexander Calder created decades ago. No one disputes it was once the work of the artist’s hand. But in a federal lawsuit filed this month in ...

Calder, who spent parts of his life in Philadelphia, is best-known for inventing the category of kinetic sculptures known as the mobile, as well as his abstract sculptures that experimented with ...

Alexander Calder was an American artist ... I'm going to try some moving art, also known as kinetic art. Why not join me in making a mobile. You will need a pencil and paper, some recycled ...

Alexander Calder’s grandson allegedly torpedoed the $8 million sale of one of the famed sculptor’s pieces in order to “control and manipulate” the lucrative market for his grandpa’s art ...

Berrío added that Calder’s kinetic mobiles, which can move with ... work — the artist even had his own version of performance art. In his Paris studio in the 1920s, Rower said, his ...