In recent years I have become fascinated by the so-called Sydney Cove Medallion (1789), a work of art that bridges the 10,000-mile gap between the newly established penal settlement at Port Jackson and the beating heart of Enlightenment England.
Where do we draw a line between the personal and the historical? Although she died in Melbourne in 1975, when I was not quite eleven years old, I have the vividest memories of my maternal grandmother Helen Borthwick.
Dr Helen Nugent AO, Chairman, National Portrait Gallery at the opening of 20/20: Celebrating twenty years with twenty new portrait commissions.