Retirement celebrations The time came this week to bid an extremely fond [...] Kirsten Howells2020-08-14T11:38:02+01:00December 1st, 2017|Tags: Diamond Dispersions, Diamond quiz, Diamond team, digital textile printing, dispersions manufacturer, Kelham Island, Peter Callahan, Queen's Award for Enterprise in International Trade, Sheffield, success, Sue Wright, The Chimney House|