Marilyn vos Savant was born on August 11, 1946, in St. Louis, Missouri, USA.
Marilyn Mach vos Savant was born on August 11, 1946, in St. Louis, Missouri, to Joseph Mach and Marina vos Savant. Her ancestry was a mix of German and Italian heritage; notably, she is a descendant of the physicist Galileo Galilei on her mother's side, a lineage that would later become part of her public persona as one of the world's most famous 'geniuses.'
She grew up in an ordinary middle-class household in the American Midwest, showing precocious intellectual talent from an early age. Her unusual surname, vos Savant (which she adopted from her mother's maiden name), would later become inseparable from her identity as a public intellectual and columnist.
Her birth in postwar America placed her in a generation that would come of age amid tremendous social and technological change. Though little in her early childhood suggested the fame that awaited her, her innate cognitive abilities were documented from a young age through standardized testing, setting the stage for her eventual entry into the Guinness Book of World Records and her decades-long career as a public commentator on intelligence, logic, and mathematics.