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Writing Gaia review: The letters of James Lovelock and Lynn Margulis

Nearly forty years of letters between the two scientists who co-developed the paradigm-changing Gaia hypothesis make for fascinating, humanising reading
A4GTM3 Author, ecologist, inventor and scientist Professor James Lovelock in his laboratory at home on the Devon Cornwall border UK.. Image shot 2004. Exact date unknown.
James Lovelock and Lynn Margulis corresponded for nearly 40 years.
Tim Cuff/Alamy

Edited by Bruce Clarke and Sébastien Dutreuil

Cambridge University Press

HERE’S something for the archive: “The New Scientist one seems to have stirred up some interest including an amazing number of crank letters of a gentle and non-aggressive kind,” wrote the late independent scientist and polymath James Lovelock, in a letter to biologist Lynn Margulis.

The “cranks” were responding to an article in this magazine, dated 6 February 1975. In it, Lovelock presented the idea and world view of Earth as a self-regulating system, the Gaia hypothesis, to a wider audience.

The article worked. It led to Lovelock’s first book, 1979’s , an important first step in taking the concept beyond scholarly halls to a broader public.

The letter is one of 268 pieces of previously unpublished correspondence in an edited collection spanning 1970 to 2007. Writing Gaia: The scientific correspondence of James Lovelock and Lynn Margulis charts the inside story of a long-running collaboration that gave birth to one of most influential environmental ideas in the modern world. The letters document the duo’s efforts to win over opponents and to amass enough evidence to move the Gaia hypothesis from idea to theory.

American biologist Lynn Margulis at work in a greenhouse, circa 1990. (Photo by Nancy R. Schiff/Getty Images)
American biologist Lynn Margulis at work in a greenhouse, circa 1990.
Nancy R. Schiff/Getty Images

While many readers will be drawn to the book for insights about Lovelock, who died last month aged 103, Margulis is an equally fascinating intellect and strong personality. She was renowned for her work on eukaryotes and symbiosis.

The letters offer a glimpse into how much she moulded Lovelock’s first scientific paper on Gaia, published in 1972.

But they don’t offer any ground-breaking gotchas. For example, we already knew that the author William Golding suggested borrowing the name of the Greek goddess of the Earth, Gaia, for the theory, which Lovelock recounts in one letter to Margulis. As with any correspondence, there is also a fair slice of everyday life, from him moaning about the Boston postal service to her complaining about his ever-changing phone number.

Overall, much will only appeal to academics who are interested in the details of how the two merged their understanding of atmospheric science and biology, how they got papers published in certain journals and how they gradually won over critics.

Yet there is something for a general reader, too. Alongside insights into how the two minds collaborated on a vital idea, there is human interest in watching how exchanges swing from warm and intimate to quarrelsome and sarcastic at points.

A nadir comes in 1981, when Lovelock reports a “bad few days” after Margulis publicly criticised his book. She shoots back, asking “what would our relationship be worth if I weren’t entirely straight with you”. Happily for us, despite their differences, they kept writing for decades.

Topics: Books / Environment / humans