The once-dank central courtyard has been transformed by an airy glass roof designed by an American architect, Rick Mather, a long-term resident of London.

Other notable architects to have worked in the city include Rick Mather, I.M. Pei, and Gordon Bunshaft.

In 1984, the unit moved to a new cylindrical building designed by Rick Mather.

WHEN Rick Mather was 11, his parents built a weekend house in the Willamette Valley in Oregon.

"Rick Mather wasn't that well known until he did us and the Wallace Collection," Kate Knowles, a spokeswoman at Dulwich, said.

Buildings on the Brayford now include a School of Architecture designed by Rick Mather, a science laboratory facility, a sports centre, and a university library.

Rick Mather (May 30, 1937 - April 20, 2013) was an American-born architect working in England.

November 7 - Extensive three-year internal rebuild and expansion of the Ashmolean Museum, Oxford, to the designs of Rick Mather, is completed.

The architect was Rick Mather.

Rick Mather, 75, American architect.