| C. K. Ogden (1889-1957) | Editor, translator; Creator, Founder&Director, Orthological Institute |
| L.W. Lockhart | Translator, writer, Assistant Director of Orthological Institute |
| I.A. Richards (1883-1979) | Prolific writer; sponsored Basic in Orient&U.S. Director |
| Christine Gibson | Collaborated with IA Richards on By Pictures books. |
| Joseph Lauwerys (1902-1981) | Chairman of the Basic English Foundation, successor to the Orthological Institute.) |
| E.C. Graham. | Prepared
The Basic Dictionary of Science, 1965, and Basic English: International Second Language, 1968 |
| Lancelot Hogben | Interglossa and EWE, from Basic English |
| W. Terrence Gordon | Biographer of Ogden |
| Charles Ogden | Basic English, 850 words | 1929 |
| Harold Palmer | limited vocabulary of 3,000 words | 1930 |
| Charles Ogden | The Basic Dictionary | 1932 |
| Michael West | New Method Dictionary, 1,799 words, later 1,490 words | 1935 |
| A. S. Hornby | restricted vocabulary with Palmer to a mere 1,000 words | 1937 |
| Harold Palmer | Grammar of English Words | 1938 |
| A. S. Hornby | Advanced Learner's Dictionary | 1942 |
| Charles Ogden | General Basic English Dictionary | 1960 |
| Lancelot Hogben | Essential World English, 1,300 words | 1963 |
| Longman | Dictionary of Contemporary English, 2000 words | 1978 |