Marie Curie (1867 - 1934)
Pierre Curie (1859 - 1906)
Their research led to the isolation of polonium, and radium. Together they were awarded half of the Nobel Prize for Physics in 1903, for their study into the spontaneous radiation discovered by Becquerel, who was awarded the other half of the Prize. In 1911 Marie Curie received a second Nobel Prize, this time in Chemistry, in recognition of her work in radioactivity.