| Byrski, Tadeusz | Tadeusz Byrski | Director | 1958 | 2 | |
| Blanchette, Clarence P. | Clarence P. Blanchette | Director | 2003 | 1 | |
| Blackadder, Neil, | Neil Blackadder | Director | 2006 | 1 | |
| Böhm, Karl Hans, | Karl Hans Böhm | Director | 1928 | 2 | |
| Baļuna, Vera | Vera Baļuna | Director | 1950 | 1 | |
| Biship, Trevor | Trevor Biship | Director | 2002 | 1 | |
| Balestra, Fernando | Fernando Balestra | Director | 2001 | 4 | |
| Banda, Benne Erastor | Benne Erastor Banda | Director | 2006 | 1 | |
| Berger, J. | J. Berger | Director | 1955 | 1 | |
| Brücklmeier, Erich-Fritz, | Erich-Fritz Brücklmeier | Director | 1941 | 2 | |
| Behringer, Clara | Clara Behringer | Director | 1956 - 1975 | 2 | |
| Bittong, Franz, | Franz Bittong | Director | 1878 - 1880 | 4 | |
| Bawan, Sadik Aziz, | Sadik Aziz Bawan | Director | 2011 | 1 | |
| Brikmanis, Ugis | Ugis Brikmanis | Director | 1988 | 1 | |
| Berthold, Wilhelm, | Wilhelm Berthold | Director | 1928 | 1 | |
| Bjørnson, Bjørnstjerne, | Bjørnstjerne Bjørnson | Director | 1859 | 1 | |
| Brun, Michael, | Michael Brun | Director | 1869 - 1899 | 23 | |
| Bloch, William, | William Bloch | Director | 1883 - 1917 | 22 | |
| Bell, Charles A., | Charles A. Bell (Charles A. Bell) | Director | 1894 | 2 | |
| Blumenthal, Oskar, | Oskar Blumenthal | Director | 1894 | 1 | |
| Bahr, Hermann, | Hermann Bahr | Director | 1907 | 2 | |
| Barnowsky, Victor, | Victor Barnowsky | Director | 1913 - 1917 | 26 | |
| Brandenburg, Friedrich, | Friedrich Brandenburg | Director | 1925 | 1 | |
| Becker, Herbert, | Herbert Becker | Director | 1932 | 1 | |
| Buxbaum, Hans, | Hans Buxbaum | Director | 1932 - 1933 | 2 | |
| Brock, Klaus, | Klaus Brock | Director | 1936 | 1 | |
| Bauer, Hans, | Hans Bauer | Director | 1948 - 1962 | 4 | |
| Belasco, David, | David Belasco | Director | 1901 | 1 | |
| Bryan, E. D., | E. D. Bryan (E. D. Bryan) | Director | 1905 | 1 | |
| Bell, Charles J., | Charles J. Bell (Charles J. Bell) | Director | 1905 | 1 | |
| Brady, William A., | William A. Brady (William A. Brady) | Director | 1906 | 1 | |
| Blanton, Simon, | Simon Blanton | Director | 1909 | 2 | |
| Bednar, Beate, | Beate Bednar | Director | 2006 | 1 | |
| Børø, Espen, | Espen Børø | Director | 2006 | 1 | |
| Brøyn, Eirik Nilsen, | Eirik Nilsen Brøyn | Director | 2006 | 1 | |
| Bergseth, Leif Terje, | Leif Terje Bergseth | Director | 2013 | 1 | |
| Barker, Granville, | Granville Barker | Director | 1911 | 2 | |
| Baumfeld, Gustav, | Gustav Baumfeld | Director | 1912 | 1 | |
| Bürgin, Urs | Urs Bürgin | Director | 1966 | 3 | |
| Boyce, Raymond | Raymond Boyce | Director | 1974 | 1 | |
| Babicki, Krzysztof | Krzysztof Babicki | Director | 1992 | 2 | |
| Breth, Andrea | Andrea Breth | Director | 1989 - 1995 | 7 | |
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Contributors
