| Bunge, Wolf | Wolf Bunge | Director | 1999 - 2001 | 2 | |
| Bockelmann, Thomas | Thomas Bockelmann | Director | 2000 - 2001 | 1 | |
| Bell, Gary F. | Gary F. Bell | Director | 2017 - 2018 | 2 | |
| Badea, Gelu | Gelu Badea | Director | 2016 | 3 | |
| Barclay-Nitter, Johan | Johan Barclay-Nitter | Director | 1943 | 2 | |
| Bastias, Kostis | Kostis Bastias | Director | 1943 | 1 | |
| Brook, Peter | Peter Brook | Director | 1945 | 1 | |
| Bensussen, Melia | Melia Bensussen | Director | 2017 | 1 | |
| Batey, Peter | Peter Batey | Director | 1971 | 1 | |
| Biel, Mirja | Mirja Biel | Director | 2017 - 2018 | 1 | |
| Burian, Paul | Paul Burian | Director | 2000 | 1 | |
| Benthall, Michael | Michael Benthall | Director | 1948 | 1 | |
| Braumüller, Fritz | Fritz Braumüller | Director | 1907 | 1 | |
| Brown, Neil | Neil Brown | Director | 2000 | 1 | |
| Beniesch, Moris | Moris Beniesch | Director | 1971 | 1 | |
| Bucur, Geo | Geo Bucur | Director | 1969 | 2 | |
| Barca, Mihaela | Mihaela Barca | Director | 1954 | 1 | |
| Bouchaud, Jean | Jean Bouchaud | Director | 1973 | 2 | |
| Bleiweiß, Celino | Celino Bleiweiß | Director | 2015 | 1 | |
| Brym, Christian | Christian Brym | Director | 1996 | 1 | |
| Balk, H. Wesley | H. Wesley Balk | Director | 1978 | 1 | |
| Bellugi, Piero | Piero Bellugi | Director | 1978 | 2 | |
| Bastholm, Lone | Lone Bastholm | Director | 1978 | 2 | |
| Bundy, James | James Bundy | Director | 2017 | 1 | |
| Bidonde, Héctor | Héctor Bidonde | Director | 1981 | 1 | |
| Blumensaadt, Norman | Norman Blumensaadt | Director | 2016 - 2019 | 2 | |
| Braak, Kai | Kai Braak | Director | 1986 | 1 | |
| Braak, Deborah | Deborah Braak | Director | 2017 | 1 | |
| Braak, Chris | Chris Braak | Director | 2017 | 1 | |
| Buechler, Theresa | Theresa Buechler | Director | 2016 | 1 | |
| Bachmann, Stefa | Stefan Bachmann | Director | 2017 | 1 | |
| Bekir, Kemal | Kemal Bekir | Director | 1982 - 1983 | 1 | |
| Baker, Danette | Danette Baker | Director | 2017 | 1 | |
| Brining, James | James Brining | Director | 2017 | 1 | |
| Borny, Geoffrey | Geoffrey Borny | Director | 1997 | 1 | |
| Bonifazi, Bruno | Bruno Bonifazi | Director | 2017 | 1 | |
| Blake, Sydnee | Sydnee Blake | Director | 1972 | 1 | |
| Bagnall, Nick | Nick Bagnall | Director | 2018 | 1 | |
| Bonnell, Jesse | Jesse Bonnell | Director | 2018 | 1 | |
| Butusov, Yuri | Yuri Butusov | Director | 2018 | 1 | |
| Bennett, Marilyn | Marilyn Bennett | Director | 2019 | 1 | |
| Beaman, Mike | Mike Beaman | Director | 2019 | 1 | |
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Contributors
