INTRODUCTION It is widely accepted that oogenesis normally stops early in mammalian development (see Brambell, 1956; Franchi, Mandl & Zuckerman, 1962). Nevertheless, it has been claimed that mitotically active oogonia, and oocytes in early stages of meiotic prophase occur in mature specimens of Galago senegalensis (Gerard, 1920, 1932; Gerard & Herlant, 1953; Herlant, 1961; Petter-Rousseaux, 196...

Introduction It is with a deep feeling of honour and gratitude that I stand here to deliver the 1903 Keilin Memorial 1,ecture. Although I have not had the privilege of knowing David Keilin personally, I have followed and admired his scientific accomplishments from the very beginning of my academic career. The only occasion upon which I met David Keilin was in 1949, at the First International Co...

Chantrenne, H. (1951). J. biol. Chem. 188, 227. Drysdale, G. R. & Lardy, H. A. (1953). J. biol. Chem. 202, 119. Jowett, M. & Quastel, J. H. (1935). Biochem. J. 29, 2143. Lang, K. & Bassler, K. H. (1953). Klin. W8chr. 81, 675. Lipmann, F. & Tuttle, L. C. (1945). J. biol. Chem. 161, 415. Lipmann, F. & Tuttle, L. C. (1950). Biochim. biophy8. Acta, 4, 301. Mahler, H. R., Wakil, S. J. & Bock, R. M. ...