Throughout his life, Albert Einstein (1879-1955 ... Einstein did not address these dramatic lines to his first wife Mileva, his second wife, his cousin Elsa, or to one of his many mistresses.

In 1911, Albert Einstein penned an extraordinary letter ... began a relationship with Curie. When his estranged wife discovered the affair, she hired someone to break into their apartment ...

A remarkable cache of love letters from Albert Einstein to his first wife reveal the illness that ... 1903 and the last letter references her second pregnancy, a son named Hans Albert.