| Age | 81 (age at death) |
| Birthday | 25 June, 1900 |
| Birthplace | Cape Town, South Africa |
| Died | 11 December, 1981 |
| Place of Death | Cape Town |
| Zodiac Sign | Cancer |
| Nationality | South African |
| Occupation | Writer |
Izak David du Plessis, who published under the name I. D. du Plessis (25 June 1900, in Cape Town, South Africa – 11 December 1981 in Cape Town), was an Afrikaans-language writer. A successful writer in many genres, he is included among the Dertigers.
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