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̽��ֱ��US philanthropist Dennis and his wife, Sally Tsui Wong-Avery, established the endowment that led to the creation of the CTC in 2007.

̽��ֱ��ceremony was attended by Sally and family members and friends, as well as the Vice-Chancellor of the ̽��ֱ��, the Master of Trinity Hall, where Dennis studied Law as a postgraduate in 1980-81, and a number of faculty, staff and students from the Department of Applied Mathematics and Theoretical Physics (DAMTP).

A plaque was unveiled honouring Dennis Avery including a quotation from him, describing how he had endowed the study of cosmology in Cambridge to grow “the appreciation of what the Universe is and is not”.

CTC Director, Professor Paul Shellard, emphasised how significant the Avery family’s gift had been to research in DAMTP:

“This cosmology centre, which Dennis and Sally have endowed, is uniquely situated in a mathematics department.��We believe we have the creativity and technical frameworks here to postulate what the universe is or might be, but at the same time we combine this with mathematical rigour to test and winnow these ideas to determine which of them are incorrect, and so we also learn what the universe is not.��Dennis’ vision and generosity were extraordinary and we shall be forever grateful for them.”

Dennis Avery was a great philanthropist who supported good causes worldwide, from AIDS orphanages in South Africa to wheelchairs for remote villagers in Tibet.

It was at the White House in 1998 that Professor Stephen Hawking first met Dennis and became aware of his enthusiasm about recent progress in cosmology.

Dennis and Sally were enormously generous in supporting Stephen’s research and legacy in Cambridge, and through their generous gifts Stephen was able to found the CTC, creating a centre of excellence to support outstanding young researchers, and workshops on frontier areas in cosmology and gravitation. They always supported the CTC anonymously, never seeking recognition for themselves.

̽��ֱ��ceremony concluded with the planting of a dove tree in the grounds of the Centre for Mathematical Sciences, just outside the CTC pavilion. ̽��ֱ��tree was dedicated by the Venerable John Beer, Archdeacon of Cambridge.

Professor Hawking was not well enough to participate, but he composed a short tribute for the occasion:��“It is with regret that I am unable to attend the DAMTP tree-planting ceremony in memory of Dennis. However, my thoughts are with Sally and all those gathered here today to honour Dennis as both a great friend and as a colleague.”

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