Noel Timms: A brief appreciation

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Sam Karlin: a personal appreciation.

In the 1960s Karlin and Bodmer established an active programme in mathematical population genetics with NIH support that, in turn, supported the work of Ewens and Feldman with Karlin. Subsequently Karlin established a similar programme in Israel. The overall contributions of Karlin to population genetics and molecular biology are briefly reviewed from a personal perspective.

George Hess: A scientific appreciation.

The recent passing of George Hess (1926–2015) has left a deep void in Cornell University’s Biochemistry department, and in the hearts of his many friends and admirers. He is sorely missed by his scientific friends and by his loving family. George Hess was born in Vienna, Austria, where he lived in an apartment on the Ringstrasse with his parents, Heinrich and Edith Mueller Hess, and maternal gr...

Ken Wilson: a scientific appreciation.

Gantt charts: A centenary appreciation

With the proliferation of microcomputer based project management packages Gantt charts have enjoyed a revival in their use. Although Henry L. Gantt is recognized as their developer their origins and provenance are less well known. Gantt was a close associate of Frederick W. Taylor and an advocate of Scientific Management. His paper describing the use of ‘‘graphics’’ for general production plann...