John Todd (biologist)

John Todd (born 1939) is a biologist working in what is sometimes considered the general field of ecological design, in that his ideas often involve applications that become the basis of alternative technologies. His principal professional interests have included solving problems of food production and waste-water processing. As an author, he has presented the outcome of the work that he and colleagues have undertaken in a series of books, as well as in the requisite scientific papers.

Todd was born in Hamilton, Ontario, Canada in 1939. He earned his B.Sc. (1961) in agriculture and his M.Sc. (1963) in parasitology and tropical medicine at McGill University in Montreal, Quebec, after which he did doctoral work in fisheries and oceanography at the University of Michigan. His early professional interest, involving the behavioral ecology of fish, was the basis of his work as an assistant professor of ethology at San Diego State University (1968-1970), after which he joined the Woods Hole Oceanographic Institution in Woods Hole, Massachusetts, as an assistant scientist.

Todd's wife, Nancy Jack Todd, trained as a dancer and is a skilled writer and editor. She has edited and added introductions to many of John Todd's books, and co-written the most recent. Back in the Woods Hole days, John had begun to develop his ideas about how complicated biological food chains worked, and in their conversations Nancy wondered if ecological concepts could serve people's needs. She suggested science needed "a human face."

In 1969 the Todds co-founded the New Alchemy Institute to do both fundamental research into aspects of biology and disciplines as well as to apply biological science to technology. Todd and colleagues have designed miniature ecosystems, largely self-perpetuating, which bring ecological principles into service of human requirements. Besides designing and prototyping food-producing systems and approaches for communities of people, this work has resulted in innovative new approaches to processing sewage and industrial waste water. Todd's approach has involved applications of micro-organisms, fish, and plants (phytoremediation).

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