The Humberto Maturana reference article from the English Wikipedia on 24-Jul-2004
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Humberto Maturana

Helping orphans the way you would do it
Humberto Maturana (born 1928 in Santiago) is a Chilean biologist and philosopher. Together with Francisco Varela, he invented the concept of autopoiesis. Maturana is also considered to be one of the founders of radical constructivism - a relativistic epistemology built on empirical findings of neurobiology.