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Luteotrophic factors in the sheep.

Robert Denamur died suddenly on 25th April 1973 at the age of 48. He was a great scientist, who retained a deep sense of personal humility; he was always a prey to nagging doubts about the validity of his own experimental observations. This unique ability to indulge more in self-criticism than in the criticism of others made him a perfectionist, and prevented him from rushing into print until he had checked, re-checked and repeated all his experiments. Thus, the greater part of his researches will now remain unpublished; the excellence of his existing contributions in the fields of lactational and ovarian physiology give us some indication of what the scientific community has lost by his untimely death. This paper, full of `unpublished observations' that must now remain for lesser men to confirm and document, was the last that he wrote, and it was published posthumously in 1973 in the Proceedings (pp. 213-223) of a conference on `Le Corps Jaune', held in Paris in July 1973. This paper is reproduced at the wish of the members of the Society for the Study of Fertility and with the permission of Masson et Cie. I have taken the liberty of translating the article somewhat freely, and I hope that it may serve