Marie Curie her a second time, with the 1911 Nobel Prize in Chemistry. This award was "in recognition of her services to the advancement of chemistry by the discovery of the elements radium and polonium, by the isolation of radium and the study of the nature and compounds of this remarkable element." She was the first person to win or share two Nobel Prizes, and remains alone with Linus Pauling as Nobel laureates in two fields each. A delegation of celebrated Polish men of learning, headed by novelist Henryk Sienkiewicz, encouraged her to return to Poland and continue her research in her
Nobel Prize with her husband Frédéric Joliot-Curie. In addition, the husband of Marie Curie's second daughter, Henry Labouisse, was the director of UNICEF when he accepted the Nobel Peace Prize in 1965 on that organisation's behalf. Although no family matches the Curie family's record, there have been several with two laureates. The husband-and-wife team of Gerty Cori and Carl Ferdinand Cori shared the 1947 Prize in Physiology or Medicine as did the husband-and-wife team of May-Britt Moser and Edvard Moser in 2014 (along with John O'Keefe). J. J. Thomson was awarded the Physics Prize in 1906 for showing that electrons are particles.