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	<td width="400"> <h2>Henry Hooghiemstra</h2></td>	
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<p style='text-align:justify'>Originally, Henry Hooghiemstra is a biologist. 
He received his doctor's degree in 1984 concerning a 1.5 million year pollen archive 
from lake sediments in the Colombian Andes, which documents the long series of glacials 
in the tropics with great accuracy. Afterwards he reconstructed the Sahara movements and 
the history of the passat-winds using pollen from deep-sea cores near the African coast. 
Since 1992 he has been professor of Palynology and Quarternary Ecology at the University of 
Amsterdam. He focuses completely on tropical America. During the last eight years, he has 
published a lot together with promovendi and post-docs about the history of tropical lowland 
ecosystems, like rainforest, savanna and dry forest. Next to this, he recently worked on long 
climatic records of the past 150,000 years, which show lots of phenomena that were considered 
typical of the cooler climate zone in the northern hemisphere. The effect of climatic change 
on the development of ancient civilizations also receives his interest.  </p>

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