ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti tˈuː ðə kˈʌmpəni bɪkˌeɪm ɐ ɹˈɛdʒɪstɚd tʃˈæɹᵻɾi ænd ɐ jˈɪɹ lˈeɪɾɚ, ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti θɹˈiː, ɪɾ ɐksˈɛptᵻd ðə ɡˈɪft əvə θˈɜːd dʒˈɜːnəl, ðə dʒˈɜːnəl ʌv ˌɛmbɹɪˈɑːlədʒi ænd ɛkspˌɛɹɪmˈɛntəl mɔːɹfˈɑːlədʒi ɹᵻlˈɔːntʃt ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi sˈɛvən æz dɪvˈɛləpmənt.
In 1952 the company became a registered charity and a year later, in 1953, it accepted the gift of a third journal, the Journal of Embryology and Experimental Morphology (relaunched in 1987 as Development).