, Volume 63, Issue 2, pp 183-190

Bicentenary homage to Dr Jan Ingen-Housz, MD (1730–1799), pioneer of photosynthesis research

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On September 7, 1999, the 200th anniversary of the death of Dr Jan Ingen-Housz was commemorated by ceremonies in Calne, England. Ingen-Housz discovered the action of light in photosynthesis in 1779, following Joseph Priestley's demonstration that green plants had the capacity to produce oxygen. Priestley's claim for priority in discovering the light requirement of photosynthesis is examined.

This revised version was published online in June 2006 with corrections to the Cover Date.