December 10th
1904 William Ramsay was presented with the Nobel Prize in Chemistry "in recognition of his services in the discovery of the inert gaseous elements in air, and his determination of their place in the periodic system".
1922 Frederick Soddy (1877-1956) was presented with the Nobel Prize in Chemistry "for his contributions to our knowledge of the chemistry of radioactive substances, and his investigations into the origin and nature of isotopes".