WILLIAM RITCHIE

William John Ritchie Simpson (1855-1931): public health and tropical medicine.

Simpson's long working life covered a wide field. The pioneering nature of his work in public health and tropical hygiene involved a number of appointments at home and abroad. He worked in Aberdeen as Medical Officer of Health, in India as Health Officer for Calcutta, and in London he taught as Professor of Hygiene at King's College, becoming one of the founders of the London School of Hygiene ...

Wccmt Case Study – Alison Ritchie

"Sheep Cloned by Nuclear Transfer from a Cultured Cell Line" (1996), by Keith Campbell, Jim McWhir, William Ritchie, and Ian Wilmut

In 1995 and 1996, researchers at the Roslin Institute in Edinburgh, Scotland, cloned mammals for the first time. Keith Campbell, Jim McWhir, William Ritchie, and Ian Wilmut [5] cloned two sheep [6], Megan and Morag, using sheep [6] embryo cells. The experiments indicated how to reprogram nuclei from differentiated cells to produce live offspring, and that a single population of differentiated c...

William Harvey

as part of the moral order on the one hand and as pathological phenomena on the other. Dr. Riese writes interestingly of his seventeenth century theorists, and the reader will find much of what he has to say rewarding, especially with respect to the work of medical men so little known as de la Forge and de la Chambre. Rather than praise the obvious merits of Dr. Riese's monograph, however, I sh...

William Theurkauf

between sound and meaning within vast possible variations in the items under comparison, reducing the possibility of chance similarity. In contrast, there is a 'poverty of choice' of some other language features. " For example there are only six permutations for the ordering of the subject, object and verb that a language can use. Accordingly, there is a one in six chance that any two languages...