1) Karl Marx was born in 1818 in Trier, Germany and studied philosophy at the Universities of Bonn and Berlin. He married Jenny von Westphalen in 1843.
2) Marx believed that under capitalism, workers become alienated from their labor, the products of their labor, their human nature, and from other people. Workers are forced to labor under others' control and are unable to determine their own actions or fulfill their creative potential.
3) Marx proposed communism as an alternative to capitalism, where private property is abolished and workers own the means of production collectively. This would overcome the alienation of labor by allowing workers to control their own activities and outputs.