William Mansfield Clark 1884–1964

Two doctors Harvey: William (1578-1657); Samuel Clark (1886-1953).

Preparations for this contribution to the 1979 History of Surgery Lecture at the Yale University School of Medicine were begun in the autumn of 1978, the year which marked the four hundredth anniversary of William Harvey's birth. It was the present writer's original intention to honor the memory of that great medical scientist with a brief biographical note and critique. However, as the researc...

Peter Mansfield - Nobel Lecture

The topic of magnetic resonance imaging (MRI) started for us at Nottingham in the early summer of 1972. During a discussion with one of my graduate students, Peter Grannell and my post-doc Dr Allan Garroway, concerning multiple-pulse line narrowing experiments in solids, the idea occurred to me to use the line narrowing technique as a means of effectively removing dipolar interactions in a mate...

The Business Failures Project: A Problem in Methodology (with William Clark and Dorothy S. Thomas)

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