Reuben Garrett Lucius Goldberg (July 4, 1883 – December 7, 1970) was an American cartoonist, sculptor, author, engineer and inventor.
He is best known for a series of popular cartoons depicting complex gadgets that perform simple tasks in indirect, convoluted ways. These devices, now known as Rube Goldberg machines, are similar to those drawn by W. Heath Robinson in the UK and Storm P in Denmark. Goldberg received many honors in his lifetime, including a Pulitzer Prize for his political cartooning in 1948 and the Banshees' Silver Lady Award 1959.
Goldberg was a founding member and the first president of the National Cartoonists Society, and he is the namesake of the Reuben Award, which the organization awards to the Cartoonist of the Year. He is the inspiration for various international competitions, known as Rube Goldberg Machine Contests, which challenge participants to make a complex machine to perform a simple task.