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Cyril Clarke Summary (1391 words) |
 | Sir Cyril Astley Clarke, physician and geneticist, is best known for his studies of the Rh factor and the introduction of Rhogam, a means of preventing Rhesus hemolytic disease, a condition that had caused thousands of infant deaths. |
| Clarke realized that if the Rh factor was not present on the blood cells of a pregnant woman who was carrying a fetus in which the Rh factor was present, a miscarriage or stillbirth might occur. |
| Cyril Clarke answered an advert in an insect magazine for swallow tailed butterfly pupae that had been placed by Philip Sheppard. |
| Canadian Peony Society: Articles - The Historic Clarke Peony Collection at the Devonian Botanic Garden (1134 words) |
| Cyril M. Clarke was born in 1882 in St. Lucia, British West Indies, the son of an Anglican minister and his West Indian wife. |
| Clarke carefully authenticated the identity of the cultivars in his collection, where possible purchasing them directly from the breeder, and kept meticulous records of the dates and sources of all new acquisitions and their performance. |
| The Clarke collection is of special interest to peony fanciers, both for historic reasons and on the merit of the plants themselves, which are both very hardy and increasingly rare in home gardens. |
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