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on Tue, 15 Aug 2023 by Silvia Ziller (not verified)

Geoffrey was a very special friend to me. We met only a number of times through GISP and CDB meetings, and once in Brazil when we invited him to an invasive species meeting. Since his illness it was difficult to maintain contact. I wished him well ever since, remember him often, and have missed our message exchange - and always will. He was an inspiring person, with great humour and a huge heart.

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