Colin S. Pittendrigh (1918-96)

Article Abstract:

Colin S. Pittendrigh, founder of the circadian branch of biology, passed away on Mar. 18, 1996. During the Second World War, he studied the control of malaria. The rhythmicity in the biting activity of mosquitoes that cause malaria activated his interest in periodicity. He identified the rhythm of pupal emergence in Drosophila pseudoobscura. He also showed that most eukaryotes have biological clocks that are used to measure daylength and regulate organisms' responses to seasonal variations. He made important discoveries in bromeliad evolution.

Pittendrigh, Colin S.

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Pere Alberch (1954-98)

Article Abstract:

Pere Alberch, a bold and creative scientist whose main aim was to explain how biological forms evolve, died from heart failure in March 1998 aged only 43. Alberch's fascination was with morphogenesis and the evolution of the body. He was the director of the Museo Nacional de Ciencials Naturales in Madrid before a serious illness in 1995 forced him to resign.

Alberch, Pere

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Patrick D. Wall

Article Abstract:

The life, work and career of Patrick D. Wall, neurobiologist, are examined in detail. His work has been especially influential in the study of pain.

Biography, Wall, Patrick D.

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