Douglas Maclean Clark MacEwan 1917–2000

Surgn.-Genl. William Campbell Maclean

representative of the family known as the Macleans of Boreray (the first branch of the Macleans of Ardgour in Argyllshire) and had early in this century purchased the estate of Drimnin, in Morvern, on the Sound of Mull, from Macdonakl of Glenaladale. His mother was the youngest daughter of Donald Macleod, of Bernera, in the county of Inverness. The subject of this notice was their tenth child a...

In memory of Lloyd D. MacLean.

Canadian surgery has lost one of its great leaders. Dr. Lloyd Douglas MacLean died in his sleep on Jan. 14, 2015, at 90 years of age. This commentary highlights his contributions to Canadian surgery.

Clark Glymour

Twenty years ago, Nancy Cartwright wrote a perceptive essay in which she clearly distinguished causal relations from associations, introduced philosophers to Simpson’s paradox, articulated the difficulties for reductive probabilistic analyses of causation that flow from these observations, and connected causal relations with strategies of action (Cartwright 1979). Five years later, without appr...

Katerina Clark

Reconsidering Clark

The use of Herbert Clark’s work as a theoretical framework in the Computer Supported Collaborative Work domain is often dismissed or judged as “cooked” and led to a large body of controversy. This article intends to reconsider his contribution and re-examined the criticisms he received. The main critics addressed to Clark are that his notion of Common Ground is far too mentalist and lacks “situ...