Few people know it, but Felix the Cat has become the world's first television star. A statue of the cartoon cat turns on a turntable in an experimental NBC program. But no one outside NBC headquarters sees it. On March 6, workers picket across the country, demanding unemployment insurance. In New York City, police attack a crowd of 35,000 pickets.
Scientists discover a ninth planet in the solar system.
Pluto only has a diameter of 1,440 miles, and some object that it's too small to be a planet. After all, it's smaller than the moon. On Dec. 11, Albert Einstein moves to the United States from Germany. Albert Einstein, pictured here in 1931, was often criticized during his career but is today considered probably the world's greatest and most famous physicist. The theory of relativity stands among his unmatched contributions to science,and he is strongly associated with the advent of the atomic age, though he did not work on the nuclear-fission bomb.