I. Ruth ‧ er ‧ ford, Dame Margaret /ˈrʌðəfəd $ -ərfərd/ BrE AmE
(1892–1972) a British actress famous for playing old women whose behaviour is ↑ eccentric (=funny and slightly strange) , and known especially for playing the Agatha ↑ Christie character Miss ↑ Marple
II. Rutherford, Er ‧ nest /ˈɜːnəst, ˈɜːnɪst $ ˈɜːr-/ BrE AmE
(1871–1937) a British scientist, born in New Zealand, who discovered the structure of the atom, and discovered that there are three types of ↑ radiation – alpha, beta, and gamma rays. He is best known for being the first person to ‘split the atom’, when he split the ↑ nucleus (=central part) of an atom in 1919.