It is due in large part to Rettenmeyer’s tireless tracking of army ants through all manner of tangled tropical jungle, for months on end, that we know as much as we do about those creatures. We’ve lost a real giant of myrmecology.

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I never heard of him, but reading the http://media.swarthmore.edu/bulletin/?p=143 link about his Army Ants DVD. Then, I remember.