dˈɑːktɚ. sˈɪŋɚ wʌz ᵻlˈɛktᵻd tə ðə nˈæʃənəl ɐkˈædəmi ʌv sˈaɪənsᵻz ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti nˈaɪn, ðɪ ɐmˈɛɹɪkən ɐkˈædəmi ʌv ˈɑːɹts ænd sˈaɪənsᵻz ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti wˈʌn, ænd hˈɛld ɐn ɐmˈɛɹɪkən kˈænsɚ səsˈaɪəɾi ɹᵻsˈɜːtʃ pɹəfˈɛsɚʃˌɪp fɹʌm nˈaɪntiːnhˈʌndɹɪd sˈɛvənti sˈɪks tə nˈaɪntiːnhˈʌndɹɪd nˈaɪnti wˈʌn.
Dr. Singer was elected to the National Academy of Sciences in 1969, the American Academy of Arts and Sciences in 1971, and held an American Cancer Society Research Professorship from 1976 to 1991.