dˈɑːktɚ. sˈænfɚd spˈɛnt ɐ ʃˈɔːɹt tˈaɪm wˈɜːkɪŋ æt ðə dˈʌdli əbzˈɜːvətˌoːɹi, ðˈɛn dʒˈɔɪnd ðə stˈæf ʌvðə mˈaʊnt wˈɪlsən əbzˈɜːvətˌoːɹi.
Dr. Sanford spent a short time working at the Dudley Observatory, then joined the staff of the Mount Wilson Observatory.